SEA CREATURES
Just Keep Swimming With Our Range Of Sea Creature Costumes
If you know it’s better down where it’s wetter then take it from me, CostumeBox’s range of sea creature costumes will transport you to where the seaweed is always greener in no time! Within our collection of sea creature costumes and accessories, you’ll be able to find everything from Nemo, octopuses, shark costumes and more for adults and children right here in one place - how convenient! Shop with CostumeBox now to just keep swimming through our endless supply of sea creature costume ideas.
Sea Creature Costumes For Adults Guaranteed To Make Waves
If you’re looking for the perfect sea creature fancy dress for your next sea themed costume party, CostumeBox has all the answers! With adult costumes including sharks and octopuses, you’ll be sure to find a sea creature costume you’ll love within our range. These are some of our favourite sea creature costume ideas that’ll be sure to have you swimming in no time:
- If your child is a fan of the Baby Shark craze, then why not surprise them by wearing one of our Baby Shark adult costumes that you will find within our range of sea creature costumes. With mummy, daddy and baby shark to choose from, they would also make for the perfect sea creature fancy dress group costume. Be sure to check out our Baby Shark category to shop our full range and you’ll be singing ‘baby shark do do do do’ all night long!
- Alternatively, if you don’t want the Baby Shark theme song stuck in your head for the weeks following your sea creature fancy dress party, do not fret, as we also have some other fun sea creature costumes including octopus costumes for adults! Throw on one of our octopus costumes and you’re guaranteed to have the best and most hilarious sea themed costume at the party.
Adorable Sea Creature Costume Ideas For Kids
If your little ones want to get in on the underwater fun, we also have a great selection of sea creature costumes for kids and toddlers. Within our range of sea themed costumes for kids, you’ll be able to find all their favourite sea creatures including Finding Nemo to Baby Shark costumes and more so you know you’ll be guaranteed to find something they will love. Here are some of our favourite sea creature costume ideas for kids:
- If you’re after an adorable fish costume for your little one for their next sea creature fancy dress party, you can’t go wrong with one of our adorable Finding Nemo costumes. Released in 2003, ‘Finding Nemo’ quickly became a family favourite loved by both children and adults alike and we have several different costumes that cover all your favourite characters. Our Finding Nemo fish costumes include adorable Nemo and Dory dresses and jumpsuits for girls and toddlers.
- Another great sea creature costume idea for kids is a shark costume, and whether they want to be the famous ‘Baby Shark’ or just a regular shark, we have all the costumes you need. If you have decided to dress up as one of the Baby Shark characters, picking up one for your kids as well could make an adorable parent and child sea creature costume!
No Sea Creature Fancy Dress Would Be Complete Without Matching Party Supplies
If you’re thinking of hosting a sea creature costume party, you will of course need some under the sea party supplies to make your theme come to life and here at CostumeBox, we have everything you need to host a memorable party. Within our range of under the sea party supplies, you’ll be able to find everything you need to make your guests feel as though they’ve stepped into the deep blue ocean. From coral reef backdrops, fish cutouts to shark themed tableware, you’re guaranteed to find something to compliment your sea themed costume so shop now!
Dive Into Our Great Delivery Options
Once you’ve swam through our gorgeous range of sea creature fancy dress costumes, we know you’ll be keen to take the plunge for yourself, so you’ll be delighted to know that we offer a free delivery* option on Australian orders, as well as free and easy returns! For our sea creatures in international waters, we also have some great international delivery options to ensure no one misses out. And if your fins weren’t already flapping with joy, they soon will be as we also offer Afterpay and Zippay payment options on all Australian orders. Be sure to shop our sea themed costumes now before they swim out the door!
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Cl: Inflate-A-Fun Finding Dory S30
$3.00
Please note: Balloons do not come inflated. Helium not included.
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Disney Finding Dory Supershape Foil Balloon 76cm
$7.00
Item Includes:
- Balloon.
Fit and Sizing:
- Balloon measures 76cm/30in.
Material:
- Foil.
Please note: Balloons do not come inflated. Helium not included.
She just kept swimming...
Make a splash at your Finding Dory birthday party with this adorable Disney Finding Dory Supershape Foil Balloon. Balloon measures 76cm/30in and requires helium inflation. Combine with our range of Finding Dory party supplies including party cups, lolly bags, tablecovers, party favours and more. Party time!
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Disney Finding Dory Insider Balloon 81cm
$7.00
Item Includes:
- 1 x Balloon.
Fit and Sizing:
- Balloon measures 81cm/32in.
Material:
- Foil.
Please note: Balloons do not come inflated. Helium not included.
She just kept swimming...
Make a splash at your Finding Dory birthday party with this adorable Finding Dory Insider Balloon. This balloon features a smaller balloon inside of a larger clear film balloon. Combine with our range of Finding Dory party supplies including party cups, lolly bags, tablecovers, party favours and more. Party time!
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Disney Finding Dory Airwalker Balloon
$18.00
Item Includes:
- 1 x Balloon.
Fit and Sizing:
- 140cm / 55in tall.
Material:
- Foil.
Please note: Balloons do not come inflated. Helium not included.
Just keep swimming!
You'll feel like Dory has swum up beside you with this Disney Finding Dory Airwalker Balloon. Airwalker balloons come to life when filled with helium. Weights on the bottom of the balloon allow it to drift along the floor as if it's the Great Barrier Reef! The balloon is a whopping 140cm tall and makes a great addition to any party.
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Disney Finding Dory Orbz Clear Balloon
$7.00
Item Includes:
- 1 x Balloon.
Fit and Sizing:
- Balloon measures 41cm/16in.
Material:
- Foil.
Please note: Balloons do not come inflated. Helium not included.
She just kept swimming...
Make a splash at your Finding Dory birthday party with this adorable Disney Finding Dory Orbz Clear Balloon. This balloon features Nemo and Dory swimming through the ocean. Combine with our range of Finding Dory party supplies including party cups, lolly bags, tablecovers, party favours and more. Party time!
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Disney Finding Dory Foil Balloon
$5.00
Item Includes:
- Balloon.
Fit and Sizing:
- Balloon measures 23cm / 9in.
Material:
- Foil.
Please note: Balloons do not come inflated. Helium not included.
She just kept swimming...
This adorable Disney Finding Dory Foil Balloon is the perfect addition to your Finding Dory birthday party decorations. Combine with our range of Finding Dory party supplies including party cups, lolly bags, tablecovers, party favours and more. Party time!
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Bouquet Finding Dory P75 Pack of 5
$12.00
Please note: Balloons do not come inflated. Helium not included.
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Walrus Inflatable Adult Costume
$138.00
Item Includes:
- Inflatable costume.
Fit and Sizing:
- See size chart image for details.
Fabrics and Care:
- 100% Polyester.
- Hand wash, hang dry.
Please note: Requires 4 x AA Batteries (not included).
A marvelous martian.
Get your hands on this wonderful Walrus Inflatable Adult Costume for your next inflatable party, for an Alice in Wonderland party, under the sea theme, and more fancy dress parties. The costume is styled in the shape of a walrus with a printed walrus face and its long tusks framing the face opening. Two airtight holes at the wrists and ankles also feature attached flippers so you'll just like a walrus. Inflates in seconds and lasts up to 7 hours for maximum party fun!
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Purple Mermaid Skirt Womens Costume
$116.00
A fishy tail.
This stunning holographic Purple Mermaid Skirt Womens Costume is a beautiful mermaid tail. Simply wear your favourite top or a shell bra to complete the look.
Item Includes:
- Skirt.
Fit and Sizing:
- See size chart image for details.
Fabrics and Care:
- 100% Polyester.
- Hand wash, hang dry.
Please note: Jewellery not included.
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Playful Penguin Toddler Boys Costume
$69.00
Penguin fun!
He'll love getting all dressed up in this Playful Penguin Toddler Boys Costume. The costume features a jumpsuit with a tuxedo-style top with wings and a detachable bow tie. The hood is embroidered with the penguin's face and beak and also features a top hat with red trim.
Item Includes:
- Jumpsuit.
- Hood.
- Bow Tie.
Fit and Sizing:
- See size chart above for details.
Fabrics and Care:
- 100% Polyester
- Hand wash, hang dry.
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Disney Finding Dory Deluxe Nemo Toddler and Girls Costume
$57.00
Item Includes:
- Tutu dress.
Fit and Sizing:
- See size chart image for details.
Fabric and Care:
- 100% Polyester.
- Hand wash, hang dry.
Just keep swimming!
This officially licensed Disney Finding Dory Deluxe Nemo Toddler and Girls Costume is utterly fin-tastic! The dress is orange and features Nemo's face on the chest with frilly sleeve straps and the tutu skirt section is made from orange tulle with a black tulle trim and features two fins at the waist - one smaller than the other, just like Nemo's! This costume is an ideal party costume or very special play dress.
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Shark Boys Costume
$55.00
Item Includes:
- Shark jumpsuit with attached fins and hood.
Fit and Sizing:
- See size chart above for details.
Fabric and Care:
- 100% Polyester.
- Hand wash, hang dry.
Please Note: Shoes and socks are not included.
Be careful...he bites!
Don't go into the water with this shark around. This Shark Boys Costume consists of a grey jumpsuit with attached fins and shark hood and would be perfect for an under the sea party.
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Green Mermaid Skirt Womens Costume
$116.00
Item Includes:
- Skirt.
Fit and Sizing:
- See size chart image for details.
Fabrics and Care:
- 100% Polyester.
- Hand wash, hang dry.
Please note: Jewellery and top not included.
A fishy tail.
This stunning holographic Green Mermaid Skirt Womens Costume is a beautiful mermaid tail. The skirt comes in a gorgeous holographic green with black scale print and a mermaid-style hem to look just like a tail! The skirt is also high-waisted to show off your mermaid curves. Simply wear your favourite top or a shell bra to complete the look.
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Shark Mask and Fin Set
$24.00
Item Includes:
- Mask.
- Fin.
Fit and Sizing:
- One size fits most.
Fabrics and Care:
- 100% Polyester.
- Hand wash, hang dry.
Please note: Shirt, pants and shoes not included.
Chomp chomp!
Become the ruler of the sea and show off your love for sea creatures, when you wear this simple yet effective Shark Mask and Fin Set. This fun and easy accessory set features a felt half mask that sits across the face and secures in place with an elastic strap around the back and comes in the shape of a grey and white shark's face with it's mouth wide open and you can see through it's mouth. Also included is a grey 3D fibre-filled shark fin made from a polyester with a felt-like finish. The fin attaches by two elastic shoulder straps, that when you wear it, the fin sits in the middle of your back. Keep your eyes and nose open, as you hunt for your lunch.
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Lobster Headband
$24.00
Rock Lobsteeeer!
Dance to the beat of your own music with this kooky Lobster Headband. With its goggly eyes and large claws this headband is the perfect gaff accessory for any Under the Sea birthday or Mardi Gras!
Item Includes:
- Headband.
Fit and Sizing:
- One size fits most.
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Plush Crocodile Hat
$53.00
What big teeth you have...
You're going to look like one of the oldest animals on earth in this Plush Crocodile Hat! This soft hat is green and is fashioned in the shape of a crocodile's head with large red eyes and large white teeth. People had better watch out!
Item Includes:
- Hat.
Fit and Sizing:
- One size fits most.
- Circumference of hat opening is 57cm / 22in.
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Coral Reef Scene Setter
$27.00
Item Includes:
- Coral reef scene setter.
Fit and Sizing:
- Scene setter measures 1.6m x 1.6m / 5.3ft x 5.3ft
Please Note: Item is not self adhesive, sticky tape or blu tack is required (not included).
Life is the Bubbles.
Set the perfect under the sea party mood with this bright and colourful Coral Reef Scene Setter. Featuring brightly coloured coral anemone and fish. This scene setter is the perfect way to get the party started. Simply cut around the design and stick to the wall. Combine with our range of Under the Sea party supplies including party cups, party plates, tablecovers and more.
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Aquarium Insta View Prop
$27.00
Under the Sea Fun!
Transform your boring wall into an under the sea adventure in an instant with this Insta View Aquarium Scene Setter. Add some of our awesome under the sea party decorations to transform your entire house into a party!
Item Includes:
- Scene Setter.
Fit and Sizing:
- 5'2" (157cm) long.
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Tissue Crab Table Decoration
$16.00
Item Includes:
- Table decoration.
Material:
- Tissue paper and cardstock.
Captivating Crustacean.
Need a fun accessory to your next luau or under the sea party? Look no further than this fun Tissue Crab Table Decoration. You could also hang this colourful crustacean from your ceiling along with some blue streamers to make it look like it's swimming through water. Combine with our range of Hawaiian Luau or Under the Sea party supplies including party cups, party plates, tablecovers and more.
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Marine Life Cutouts
$27.00
Under the Sea Fun.
Set the scene for un undersea shindig with these Marine Life Cutouts. Cut out the shark, fish, stingray and seasnake or keep as is and stick these colourful plastic images onto any flat surface to create an Under the Sea party theme. Use them to add a splash of fun to any room - the size of the cutouts varies in relation to the animal, from the seahorses at 15cm up to the shark which measures 130cm long!
Item Includes:
- 16 Marine Animals.
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Narwhal Quirkykawaii Hat
$42.00
Unicorn of the sea
Become one of the most adorable creatures of the sea when you wear this Narwhal Quirkykawaii Hat. This funky soft hat will have you exploring the seas with your other flipper friends. This hat comes in a soft pale blue fabric and is in the shape of a Narwhal, with its long silver horn in the centre of its forehead and 2 black beady eyes. Both adults and kids can enjoy wearing this super comfy hat. Could be a great accessory for a Book Week costume.
Item Includes:
- Hat.
Fit and Sizing:
- One size fits most.
Fabric and Care:
- 100% Polyester.
- Hand wash, hang dry.
Please note: Top not included.
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Octopus Adult Costume
$58.00
Item Includes:
- Overhead costume.
Fit and Sizing:
- One size fits most adults.
Materials:
- 100% Polyester.
- Hand wash, hang dry.
Please note: Pants, shoes and shirt not included.
Under the sea!
Transform into your favourite eight-legged sea creature when you wear this Octopus Adult Costume. The costume features a hood with two wide eyes attached and fastens under the chin with a velcro strap. Also attached to the hood are eight long blue tentacles with silver detailing at the ends. Perfect for any under the sea or letter 'O' themed parties.
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Crab Headband and Mask Set
$20.00
Item Includes:
- Headband with attached legs and claws.
- Mask.
Fit and Sizing:
- One size fits most.
Under the sea
This Crab Headband and Mask Set is perfect for your animal theme party or dressing up for Book Week.
