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⭐ 5-Star Rated · Trusted Since 2001
🌊 49+ Ocean Under the Sea Decorations Available Now
Under the Sea Party Theme
Under the Sea Party Supplies for a Magical Ocean Celebration
Mermaids, coral reefs, and ocean wonders — everything you need for the most magical under the sea party.
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Beistle
6 Pack Bulk Luau Party Plush Crab Hat
$118.97
Sold by the Case at BulkPartyDecorations.com
Soft and playful, this plush crab hat fits most head sizes and gives Luau-themed guests of all ages an easy costume accessory. Sold in a 6-pack in red and black, it suits birthdays, tropical beach parties, and summer gatherings.
6-pack of plush crab hats
Colors: Red and Black
One size fits most
Soft and plush material for comfortable wear
Beistle
Shark Stand-Up Decoration
$64.98
Sold by the Package
Dive into an underwater adventure with this striking 3D Shark stand-up decoration. Its impressive size and realistic gray and white coloring make it a perfect centerpiece for Shark or Under the Sea themed events.
Color: Gray/White
Size: 3' 8.25" x 4' 4" (44.25" x 52")
3D prop design
Perfect for Shark or Under The Sea themes
Sold by the package (1 stand-up)
Beistle
36 Pack Bulk Bubble Party Panels
$109.77
Sold by the Case at BulkPartyDecorations.com
Deck out your Under The Sea event with these bubble party panels featuring colorful sea creatures. Each durable plastic panel measures 12" x 6" and works indoors or outdoors, and the 36-panel case is easy to hang from ceilings or walls for an instant scene.
Includes 36 panels per case
Each panel measures 12" x 6"
Material: Durable plastic
For indoor or outdoor use
Features colorful sea creature designs
Ideal for Under The Sea-themed birthday parties, school events, and summer celebrations
Beistle
240 Pack Bulk Bubble Party Cutouts
$86.88
Sold by the Case at BulkPartyDecorations.com
Decorate your Under The Sea event with these multicolor bubble cutouts, made for themed birthday parties, school plays, and beach-inspired celebrations. Assorted sizes and double-sided printing let them look great from every angle, and the 240-piece bulk case decorates the whole venue.
Includes 240 bubble cutouts in bulk
Assorted sizes for versatile decorating
Multicolor design
Printed on both sides
Ideal for Under The Sea parties, school plays, and beach celebrations
Beistle
24 Pack Bulk Inflatable Fish
$57.74
Sold by the Case at BulkPartyDecorations.com
Fill your under the sea or luau party with playful color using these inflatable fish. The bulk 24-pack in yellow and black makes it easy to decorate large spaces for a lively tropical atmosphere.
Includes 24 inflatable fish
Dimensions: 7½" x 11" each
Colors: Yellow and Black
Ideal for under the sea and luau party themes
Perfect for bulk decorating large events
Beistle
36 Pack Bulk Shark Fin Decoration Party Centerpieces
$102.47
Sold by the Case at BulkPartyDecorations.com
Set an underwater scene with these silver and teal shark fin centerpieces, made from tissue and sized 6.25 x 6.75 inches. Sold in a bulk pack of 36, they suit shark-themed birthday parties, summer pool celebrations, and ocean-inspired events.
Includes 36 shark fin centerpieces
Colors: Silver and Teal
Size: 6 1/4 inches x 6 3/4 inches
Material: Tissue
Perfect for shark-themed birthday parties, summer pool celebrations, and ocean-inspired events
Beistle
12 Pack Bulk Shark Party Tablecover
$71.54
Sold by the Case at BulkPartyDecorations.com
Cover party tables with an undersea theme using these blue shark-pattern tablecovers, made of durable plastic and measuring 54 x 108 inches. This bulk 12-pack suits ocean-themed birthday parties, poolside events, or any aquatic celebration across multiple tables.
12 pack of tablecovers
Blue shark pattern design
Measures 54 inches x 108 inches
Made of durable plastic
Perfect for ocean and shark-themed parties
Bulk packaging for multiple tables
Beistle
12 Pack Bulk Shark Party Cupcake Stand
$102.47
Sold by the Case at BulkPartyDecorations.com
Showcase cupcakes in style with this blue and gray shark-themed cupcake stand, built from durable cardboard and measuring 14 inches in diameter. Sold in a 12-pack requiring simple assembly, it makes a striking centerpiece for beach birthdays, pool parties, or ocean-inspired events.
12 cupcake stands per pack
Durable cardboard construction
Blue and gray shark design
14 inches in diameter
Part of the Party Themes bulk collection
Simple assembly required
Beistle
12 Pack Bulk Shark Party Streamer Set
$90.61
Sold by the Case at BulkPartyDecorations.com
Give any ocean-themed celebration a splash of fun with these gray and white shark streamer sets, sold in a bulk case of 12 packs. Each pack contains 14 pieces plus a 12-foot ribbon, enough to assemble two 5-foot-long, 5.25-inch-wide streamers, making them well suited to kids' birthdays or pool parties.
Includes 12 packs in bulk
Each pack contains 14 pieces plus a 12-foot ribbon
Enough materials to create two separate streamers per pack
Streamer size: 5 1/4 inches wide by 5 feet long
Colors: Gray and White
Beistle
12 Pack Bulk Shark Deluxe Party Sparkle Confetti (0.5 Oz/Pkg)
$57.70
Sold by the Case at BulkPartyDecorations.com
Scatter this silver shark-shaped confetti to add sparkle to shark-themed celebrations, pool parties, or under-the-sea events. Each of the 12 packages holds 0.5 oz of deluxe sparkle confetti, ready to decorate tables, invitations, or favor bags.
Color: Silver
Shark-shaped confetti pieces
Quantity: 12 packages per pack
Each package contains 0.5 oz of confetti
Beistle
72 Pack Bulk Fish Party Whirls
$52.60
Sold by the Case at BulkPartyDecorations.com
Fill the room with movement using these fish party whirls in multicolor, sized 17.5" to 31.5" for hanging decor. The bulk case of 72 whirls includes six fish-icon whirls and six plain whirls per 12-pack, suited for Under the Sea birthdays, aquatic baby showers, or ocean-inspired celebrations.
Color: Multicolor
Size: 17.5" to 31.5" in length
Quantity: 72 whirls per case
Includes 6 whirls with fish icons and 6 plain whirls per 12-pack
Beistle
72 Pack Bulk Shark Party Whirls
$52.60
Sold by the Case at BulkPartyDecorations.com
Set an ocean scene with these shark party whirls in blue and gray, made to hang from ceilings or walls for movement throughout the room. The bulk pack includes 72 whirls total, with six shark-icon whirls and six plain whirls per set, sized for Under The Sea birthdays, pool parties, or beach-themed events.
Quantity: 72 party whirls in total
Colors: Blue and Gray
Sizes range from 17.5" to 28.5"
6 whirls feature shark icons and 6 are plain per set
Beistle
12 Pack Bulk Luau Party 3-D Coral Reef Centerpiece
$64.99
Sold by the Case at BulkPartyDecorations.com
Bring an underwater scene to a luau or tropical party with these 3-D coral reef centerpieces, each featuring 10 colorful dangling fish. At 10 inches with a multicolor design, they require assembly and create a lively ocean scene for guests.
Pack of 12 centerpieces
Size: 10 inches (each)
Includes 10 dangling fish per centerpiece
Design: Multicolor
Assembly required, instructions included
Perfect for luau parties, tropical celebrations, and summer gatherings
Beistle
12 Pack Bulk Whale Hat
$170.14
Sold by the Case at BulkPartyDecorations.com
Splash some ocean fun into your event with these whale hats in blue and red foam, sized to fit most heads. The pack of 12 is ready to outfit a group for Under The Sea themed birthday parties, school events, or aquatic fundraisers.
Quantity: 12 whale hats per pack
Colors: Blue and red
Material: Foam
One size fits most
Ideal for Under The Sea themed events and ocean-inspired celebrations
Beistle
12 Pack Bulk Under The Sea Party Tablecover
$71.54
Sold by the Case at BulkPartyDecorations.com
Cover your tables in oceanic style with this blue Under The Sea tablecover set from Beistle. Each waterproof, easy-to-clean plastic cover measures 54" x 108" and features a rectangular pattern design, sized for Under The Sea themed birthdays, school events, or aquatic celebrations. The 12-pack covers multiple tables at once.
Color: Blue
Size: 54" x 108" each
Material: Plastic
Package includes 12 tablecovers
Rectangular pattern design
Waterproof and easy to clean
Beistle
54 Piece Bulk Under The Sea Party Props
$68.69
Sold by the Case at BulkPartyDecorations.com
Create an underwater world with these Under The Sea party props from Beistle, printed on thin plastic for easy decorating. The 54-piece set features 9 different cutout designs of assorted sea creatures like sea horses, conch shells, and starfish, in sizes ranging from 9 1/4 inches to 5 feet 7 inches, ready for children's birthdays, school events, or poolside celebrations.
Includes 54 party props per package
Features 9 different cutout pieces of assorted undersea animals, including sea horses, conch shells, and starfish
Sizes range from 9 1/4 inches to 5 feet 7 inches
Printed on thin plastic material
Multicolor design
Beistle
48 Pack Bulk 16.75 Inch- Under The Sea Fish Party Cutouts
$72.29
Sold by the Case at BulkPartyDecorations.com
Bring an underwater adventure to your party space with these Under The Sea fish cutouts from Beistle. The double-sided, multicolor designs range from 14 1/2 inches to 17 inches and hang or display easily, making them a fitting choice for children's birthdays, school events, or poolside celebrations. The 48-piece bulk pack covers plenty of space.
Includes 48 double-sided fish cutouts
Size ranges from 14 1/2" to 17"
Multicolor design
Ideal for Under The Sea themed parties and celebrations
Beistle
12 Pack Bulk Under The Sea Party Door Cover
$79.58
Sold by the Case at BulkPartyDecorations.com
Set the scene for an underwater adventure with this multicolor Under The Sea door cover set from Beistle. Each cover measures 5 feet by 30 inches and works indoors or outdoors, making it a simple way to decorate entrances for children's birthdays, school events, or summer beach-themed celebrations. The 12-pack is sized for covering multiple doors or locations.
Set includes 12 door covers
Each door cover measures 5 feet by 30 inches
Multicolor design with vibrant blue and green tones
Suitable for indoor and outdoor use
Ideal for Under The Sea themed parties and events
Beistle
30 Piece Bulk Party Shark Whirls
$45.30
Sold by the Case at BulkPartyDecorations.com
Add movement overhead with these Party Shark Whirls. This bulk case of 30 whirls ranges from 32 inches to 3 feet in a blue and gray shark design, perfect for hanging at birthdays, pool parties, or any Under The Sea themed celebration.
Includes 30 shark whirls per case
Each whirl measures 32 inches to 3 feet
Colors: Blue and gray
Great for Under The Sea themed parties and ocean-inspired events
Ideal for hanging decorations
Beistle
12 Pack Bulk Shark Party Theme Toilet Seat Cover Peel 'N Place Clings
$52.55
Sold by the Case at BulkPartyDecorations.com
Decorate the bathroom with these Shark-themed toilet seat cover Peel 'N Place clings. Each cling in this 12-pack measures 12" x 17" in gray and pink, designed for easy application and removal for kids' birthdays or summer pool parties.
Includes 12 clings per pack
Each cling measures 12" x 17"
Colors: Gray and pink
Peel 'N Place design for easy application and removal
Great for Under The Sea or ocean-themed parties
Beistle
120 Pack Bulk Shark Party Silhouettes
$86.88
Sold by the Case at BulkPartyDecorations.com
Set an underwater scene with these black shark silhouettes. This bulk pack of 120 ranges from 10 to 15 inches and is double-sided printed for visibility on both sides, ideal for birthday parties, summer pool events, and classroom marine life lessons.
120 pack bulk quantity
Color: Black
Sizes range from 10 to 15 inches
Double-sided printing
Great for Under The Sea themed parties and events
Beistle
6 Pack Bulk Shark Party Photo Prop
$65.04
Sold by the Case at BulkPartyDecorations.com
Capture memorable moments with these shark party photo props. Each prop in this 6-pack case measures 3 feet 1 inch wide by 25 inches tall in blue and white, double-sided printed with shark snack and shark attack designs, and creased to stand upright on flat surfaces.
Includes 6 photo props per case
Colors: Blue and white
Size: 3' 1" wide x 25" tall
Double-sided printing with shark snack and shark attack designs
Creased sides allow it to stand upright on flat surfaces
Great for nautical-themed birthdays, summer pool parties, and shark enthusiast events
Beistle
12 Pack Bulk Shark Headband
$108.02
Sold by the Case at BulkPartyDecorations.com
Get everyone smiling with these detailed shark headbands. This bulk pack of 12 fits most head sizes and snaps on easily, featuring gray and red shark designs with eyes, teeth, and fins for group dress-ups, Halloween, or Under The Sea themed parties.
Includes 12 shark headbands per pack
Colors: Gray and red
One size fits most
Snap-on headband
Detailed shark design with eyes, teeth, and fins
Great for costume accessories and themed parties
Beistle
600 Pack Bulk Shark Fin Decoration Party Picks
$42.34
Sold by the Case at BulkPartyDecorations.com
Give your beach-themed or luau party snacks a fun twist with these shark fin decoration picks. Sized at 2 1/2 inches each in gray and beige, this bulk case includes 12 packages of 50 picks for a total of 600, perfect for topping appetizers, finger foods, and drinks.
Quantity: 600 picks per case (12 packages of 50 picks each)
Size: 2 1/2 inches each
Colors: Gray and beige
Great for food decoration at shark-themed, beach, pool, or luau parties
Beistle
12 Pack Bulk Shark Fin Headband
$64.99
Sold by the Case at BulkPartyDecorations.com
Dive into the fun with these shark fin headbands. This bulk pack of 12 white fins snaps on easily and fits most head sizes, adding a playful touch to any Under The Sea themed event or costume gathering.
Color: White
Quantity: 12 headbands per pack
One size fits most
Snap-on attachment
Great for Under The Sea themed parties, beach events, and costumes
Beistle
12 Pack Bulk Shark Party Door Cover
$79.58
Sold by the Case at BulkPartyDecorations.com
Turn any doorway into an underwater entrance with these shark party door covers. Each cover in this 12-pack measures 6 feet by 30 inches in blue and white, suitable for indoor and outdoor use at Under The Sea themed birthdays, pool parties, and summer events.
Includes 12 door covers per pack
Measures 6 ft x 30"
Colors: Blue and white
Suitable for indoor and outdoor use
Great for Under The Sea themed parties and aquatic celebrations
Beistle
24 Pack Bulk Plastic Ship's Party Anchors
$128.09
Sold by the Case at BulkPartyDecorations.com
Bring bold maritime charm to a luau, beach-themed birthday, or under-the-sea party with these gray plastic ship's anchors. Each one measures a sizable 25 inches, making them standout decorations for nautical-themed events. The pack includes 24 anchors for decorating in bulk.
Color: Gray
Size: 25 inches
Material: Durable plastic
Quantity: 24 anchors per pack
Perfect for nautical and themed parties
Beistle
36 Pack Bulk Octopus Tentacles Party Toilet Tank Peel 'n Place Cover
$61.34
Sold by the Case at BulkPartyDecorations.com
These octopus tentacle peel 'n place covers turn a toilet tank into part of your Under the Sea decor, with orange and beige designs that apply and remove without damage. The 36-pack is enough for large events or multiple bathrooms.
Includes 36 peel 'n place toilet tank covers
Each cover measures 12" x 17"
Colors: Orange and beige
Easy to apply and remove without damage
Ideal for Under the Sea themed parties and ocean-inspired events
Beistle
12 Pack Bulk Jointed Seascape Party Decoration
$109.77
Sold by the Case at BulkPartyDecorations.com
Create a captivating aquatic atmosphere with these jointed seascape decorations, easy to assemble and quick to set up. Each of the 12 decorations per pack measures 25 inches by 3 feet 1 inch and features a multicolor two-sided design made of durable paperboard. They're a fitting choice for Under The Sea-themed birthdays, pool parties, or summer celebrations.
Includes 12 jointed seascape decorations
Measures 25 inches by 3 feet 1 inch
Features a multicolor two-sided design
Made of durable paperboard
Great for bulk party decorating
Easy to assemble for quick setup
Great for Under The Sea-themed events
Beistle
6 Pack Bulk Luau Party Undersea Backdrop
$124.41
Sold by the Case at BulkPartyDecorations.com
These undersea backdrops turn any event space into a vivid underwater scene for Luau-themed birthday parties, wedding receptions, and tropical celebrations. Each blue backdrop measures 4 feet by 30 feet and is part of the coordinating Under The Sea line, and the bulk pack of 6 makes it easy to cover a large area.
Includes 6 backdrops per case
Size: 4 feet by 30 feet each
Color: Blue
Part of the Under The Sea line for coordinating decorations
Beistle
24 Pack Bulk Luau Party Tissue Lobster
$131.59
Sold by the Case at BulkPartyDecorations.com
These tissue lobster centerpieces unfold into a half-round shape that makes a striking focal point for any luau or beach party table. Each 17-inch lobster comes in red and black, and the bulk 24-pack is sized for large events and gatherings.
Includes 24 tissue lobster centerpieces
Size: 17 inches
Colors: Red and Black
Half-round open design
Beistle
12 Pack Bulk Luau Party Tissue Bubble Fish
$57.70
Sold by the Case at BulkPartyDecorations.com
These tissue bubble fish decorations add a whimsical, under-the-sea touch to any luau or beach-themed party. Each 12-inch fish is made of colorful tissue paper with metallic accents and is individually packaged, so the bulk 12-pack is ready to hang from the ceiling right out of the box.
Includes 12 tissue bubble fish decorations
Multicolor assortment
Size: 12 inches long each
Made of tissue paper with metallic accents
Individually packaged (1 per package)
Beistle
6 Pack Bulk Shark Theme Party Photo Prop
$65.04
Sold by the Case at BulkPartyDecorations.com
Sized at 3'1" x 25", this large multicolor shark photo prop lets guests strike playful poses at a birthday, luau, or educational under-the-sea event. The 6-pack keeps a photo station stocked for a marine-themed party.
Includes 6 shark photo props per pack
Multicolor design for eye-catching appeal
Each prop measures 3' 1" x 25"
Ideal for Under The Sea-themed parties and events
Perfect for photo opportunities and interactive games
Beistle
48 Pack Bulk Luau Party Sea Creatures Mini Centerpieces
$64.99
Sold by the Case at BulkPartyDecorations.com
These teal and purple mini centerpieces feature a variety of sea creature designs and stand 5½ inches tall, adding ocean color to tables at an Under The Sea or tropical-themed party. The 48-pack covers multiple tables for birthdays, luaus, and beach events.
Includes 48 mini centerpieces in bulk
Colors: Teal and Purple
Size: 5½ inches tall
Features a variety of sea creature designs
Beistle
24 Pack Bulk Luau Party Plastic Crab
$94.26
Sold by the Case at BulkPartyDecorations.com
This plastic crab decoration brings bright red and orange island color to a luau or beach party table or wall. Sized at 13" x 19" and sold in a 24-pack, it works well as a centerpiece or decor accent for both indoor and outdoor tropical gatherings.
Color: Red with orange print
Size: 13" x 19"
Material: Plastic
Quantity: 24 pieces per pack
Ideal for table decorations, centerpieces, or wall décor
Beistle
6 Pack Bulk Luau Party Ocean Floor Border Trim Wall Decoration
$79.63
Sold by the Case at BulkPartyDecorations.com
Line your walls with oceanic color using this bulk 6-pack of yellow ocean floor border trim, each piece measuring 24 inches by 30 feet. This flat wall decoration is easy to apply and works well for Under The Sea or tropical Luau-themed birthdays, summer gatherings, and beach-inspired events.
Quantity: 6 border trim pieces per bulk pack
Color: Yellow
Size: 24" x 30' (each)
Flat border trim design for wall application
Ideal for Under The Sea and Luau-themed parties
Beistle
192 Piece Bulk Luau Party Marine Life Props
$124.36
Sold by the Case at BulkPartyDecorations.com
Create an under-the-sea scene with this bulk 192-piece set of marine life props, ranging in size from 6 inches to 4 feet 3 inches in a multicolor design. Props can be attached to walls or backdrops with adhesive or pins, making them a versatile addition to birthday parties, school events, and summer gatherings.
Quantity: 192 marine life props
Size: 6 inches to 4 feet 3 inches (assorted)
Color: Multicolor
Attach with adhesive or pins
Ideal for Under The Sea and luau-themed decorations
Beistle
72 Pack Bulk Luau Party Fish Cutouts
$86.88
Sold by the Case at BulkPartyDecorations.com
Scatter these fish cutouts around classrooms, offices, or party spaces for instant under-the-sea flair, printed on both sides in multicolor. Sizes range from 14 1/4" to 16 3/4", packaged 6 cutouts per package with 12 packages per case for 72 total.
Multicolor fish cutouts
Size ranges from 14¼" to 16¾"
Printed on both sides for double the visual impact
72 cutouts included in total
Packaged as 6 cutouts per package, 12 packages per case
Perfect for luau, tropical parties, classroom decorations, and office events
Beistle
96 Pack Bulk Under The Sea Theme Party Paper Plates 9 inch
$49.94
Sold by the Case at BulkPartyDecorations.com
Serve up ocean fun with these Under the Sea themed paper plates, printed with a bright and colorful under the sea creature design. Each 9-inch plate is packaged 8 per package with 12 packages per case for 96 plates total, sized for serving all your favorite dishes.
Color: Multicolor
Size: 9 inches diameter
Material: Paper
Quantity: 96 plates per case
8 plates per package
12 packages per case
Bright and colorful under the sea creature design
Beistle
192 Pack Bulk Under The Sea Party Luncheon Napkins
$49.94
Sold by the Case at BulkPartyDecorations.com
Set the table with these Under the Sea luncheon napkins, printed in a multicolor ocean scene with sea creatures. Each 2-ply paper napkin measures 6.5" x 6.5" for softness and durability, packaged 16 per package and 12 packages per case for 192 napkins total.
Quantity: 192 napkins per pack
Color: Multicolor with ocean scene and sea creatures
Material: Paper, 2-ply for softness and durability
Size: 6.5" x 6.5"
16 napkins per package, 12 packages per case
Beistle
6 Pack Bulk Aquarium Insta-View Decoration
$61.39
Sold by the Case at BulkPartyDecorations.com
Set an underwater scene with this Aquarium Insta-View decoration, printed in a bright multicolor design for an immersive backdrop. Each decoration measures 3' 2" by 5' 2", and the bulk pack of 6 offers great value for large parties or multiple Under the Sea themed events.
Includes 6 Aquarium Insta-View Decorations per pack
Each decoration measures 3' 2" x 5' 2"
Features bright, multicolor underwater designs
Ideal for Under The Sea themed parties and events
Perfect for creating immersive, ocean-inspired backdrops
Beistle
12 Pack Bulk Luau Party Coral Reef Prop
$124.36
Sold by the Case at BulkPartyDecorations.com
Build an underwater scene with this coral reef prop, a flat wall design in multicolor that features three fish per prop for extra realism. Each large prop measures 5' 3" by 5' 3", is easy to set up and take down, and the bulk pack includes 12 individual props.
Color: Multicolor
Size: 5' 3" x 5' 3"
Includes 3 fish per prop for added realism
Flat wall prop design for easy setup and takedown
12 individual props included in bulk pack
Ideal for luau celebrations, tropical birthday parties, and Under the Sea events
Beistle
12 Pack Bulk Jointed Sea Turtle Party Decoration
$90.61
Sold by the Case at BulkPartyDecorations.com
These jointed sea turtle decorations bring a playful underwater vibe to ocean-inspired celebrations. Each green and brown turtle stands 3 feet tall and is printed on one side, and the bulk pack of 12 makes it easy to create an aquatic atmosphere for under the sea or beach-themed parties.
Quantity: 12 jointed sea turtle decorations per case
Size: 3 feet tall
Color: Green and brown
Printed on one side
Great for Under The Sea, beach-themed, and ocean-inspired parties
Beistle
12 Pack Bulk Jointed Octopus Party Decoration
$90.61
Sold by the Case at BulkPartyDecorations.com
These jointed octopus decorations bring bright orange, coral-reef charm to an under the sea celebration. Each 32-inch figure is printed on one side and jointed for added movement and interactivity, and the bulk pack of 12 helps fill out birthdays, carnivals, or ocean-inspired weddings.
Color: Orange
Size: 32 inches tall
Jointed design for added movement and interactivity
Printed on one side
Quantity: 12-pack bulk
Great for under the sea themed parties, carnivals, and special occasions
Beistle
36 Pack Bulk Jellyfish Party Panels
$109.77
Sold by the Case at BulkPartyDecorations.com
Hang these purple and blue jellyfish party panels to bring an underwater vibe to an Under The Sea birthday party, school event, or summer poolside celebration. Each panel measures 12 inches by 6 inches and is made of durable plastic, with 36 panels included for large events.
Quantity: 36 jellyfish party panels per pack
Colors: Purple and Blue
Size: 12 inches by 6 inches each
Material: Durable plastic
Ideal for hanging decorations
Beistle
6 Pack Bulk Inflatable Shark Party Buffet Cooler
$148.30
Sold by the Case at BulkPartyDecorations.com
Add a splash of fun to your Under the Sea themed party with this inflatable shark buffet cooler. The blue and gray design keeps refreshments cool while serving as a striking centerpiece for poolside celebrations or beach-inspired events.
Quantity: 6 inflatable shark buffet coolers per pack
Colors: Blue and Gray
Size: 28" wide x 4' 5 3/4" long
Keeps food and drinks cool
Great for Under the Sea themed parties and poolside events, and larger gatherings
Beistle
12 Pack Bulk Luau Party 3-D Glittered Fish Centerpiece
$64.99
Sold by the Case at BulkPartyDecorations.com
These 3-D glittered fish centerpieces bring bright pink and green color to a luau or under-the-sea themed party. Each centerpiece has a glitter finish and dimensional design for visual interest, and assembly is required to set them up as table decorations.
Includes 12 glittered fish centerpieces
Colors: Pink and Green
Size: 13 inches tall
3-D design
Glitter finish
Assembly required
Great for luau, tropical, and under the sea themed parties
Beistle
6 Pack Bulk Fabric Diver Helmet
$120.76
Sold by the Case at BulkPartyDecorations.com
Dive into an ocean-themed party with these fabric diver helmets in gold and silver, featuring a fabric brim and fin with bright, fun prints. Sized to fit most kids comfortably, the pack of 6 is ready for group costumes and under the sea celebrations.
Colors: Gold and Silver
One size fits most
Material: Quality fabric
Quantity: 6 helmets per pack
Fabric brim and fin with bright prints
About Under the Sea Party Theme
Turn your space into an ocean paradise with under the sea-themed decor. Mermaids, sea creatures, and shimmering accents create a magical aquatic world.
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What Our Customers Say About Our Under the Sea Supplies
Real reviews from real celebrations
Storewide reviews from verified PartyDecorations.com customers
★★★★★
The coral and seashell decorations were absolutely stunning! Party was so magical.
★★★★★
Perfect for our mermaid themed party! Great quality and fast shipping.
★★★★★
Best under the sea party supplies I've found online. The ocean decorations were perfect!
Our Promise
Why Shop Our Under the Sea Party Supplies?
We make it easy to celebrate with 49+ ocean items
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48+ Ocean Items
The widest selection of under the sea party decorations — from coral centerpieces to mermaid props.
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Unbeatable Prices
Premium quality party decorations at prices that won't break the bank. Save more when you buy more.
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Fast USA Shipping
Same or next-day dispatch from our US warehouse. Estimated delivery in just 1–5 business days.
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5-Star Rated
Thousands of verified 5-star reviews from happy customers who celebrated in style.
USA Based
Proudly serving customers across America since 2001. Your satisfaction is our top priority.
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Get 10% Off Your Under the Sea Order!
Use the exclusive code below at checkout on any under the sea party decorations.
PARTY10
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