Exclusive Halloween Costumes
1 - 38 of 38
Filter Exclusives by:
1 - 38 of 38
![Adult Sea Turtle Costume](https://images.halloweencostumes.ca/products/64218/1-2/adult-sea-turtle-costume.jpg)
Sale - 17%
Made By Us
$82.99$68.99-$82.99*
![Men's Plus Size Crab Costume1](https://images.halloweencostumes.ca/products/64787/1-2/mens-plus-size-crab-costume-1.jpg)
Made By Us
Exclusive
$110.99-$137.99
![Disney Adult Sebastian Costume-2](https://images.halloweencostumes.ca/products/70174/1-2/disney-adult-sebastian-costume-2.jpg)
Made By Us
Exclusive
![Poseidon Plus Size Men's Costume](https://images.halloweencostumes.ca/products/40372/1-2/poseidon-plus-size-mens-costume.jpg)
Made By Us
Exclusive
![Adult Orca Costume](https://images.halloweencostumes.ca/products/74449/1-2/adult-orca-costume.jpg)
Made By Us
Exclusive
$89.99
![Adult Disney Moana Tamatoa Costume](https://images.halloweencostumes.ca/products/74750/1-2/adult-disney-moana-tamatoa-costume.jpg)
Made By Us
Exclusive
![Plus Size Sea Turtle Costume](https://images.halloweencostumes.ca/products/78593/1-2/plus-size-sea-turtle-costume.jpg)
Made By Us
Exclusive
![Adult Shrimp Costume](https://images.halloweencostumes.ca/products/57225/1-2/adult-shrimp-costume.jpg)
Made By Us
Exclusive
$68.99-$75.99
![Men's Crab Costume](https://images.halloweencostumes.ca/products/43438/1-2/mens-crab-costume.jpg)
Made By Us
Exclusive
$96.99-$103.99
![Adult Dolphin Costume](https://images.halloweencostumes.ca/products/17820/1-2/adult-dolphin-costume.jpg)
Made By Us
Exclusive
$68.99-$82.99
![Adult's Great White Shark Costume](https://images.halloweencostumes.ca/products/44070/1-2/adults-great-white-shark-costume.jpg)
Made By Us
Exclusive
![Adult Axolotl Costume](https://images.halloweencostumes.ca/products/79938/1-2/adult-axolotl-costume.jpg)
Made By Us
Exclusive
$68.99
![Adult Inflatable Octopus Costume](https://images.halloweencostumes.ca/products/87625/1-2/adult-inflatable-octopus-costume.jpg)
Sale - 25%
Made By Us
$110.99$82.99
![Women's Sequined Seahorse Costume](https://images.halloweencostumes.ca/products/63493/1-2/womens-sequined-seahorse-costume.jpg)
Clearance
Made By Us
$68.99$34.99
![Adult Blob Fish Costume](https://images.halloweencostumes.ca/products/79942/1-2/adult-blob-fish-costume.jpg)
Sale - 30%
Made By Us
$68.99$48.99
![Adult's Comfy Shark Costume](https://images.halloweencostumes.ca/products/64093/1-2/adults-comfy-shark-costume.jpg)
Made By Us
Exclusive
$48.99
![Adult's Shark Mascot Head](https://images.halloweencostumes.ca/products/65248/1-2/adults-shark-mascot-head.jpg)
Sale - 14%
Made By Us
$96.99$82.99
![Adult Narwhal Onesie Costume](https://images.halloweencostumes.ca/products/53147/1-2/adult-narwhal-onesie-costume.jpg)
Sale - 30%
Made By Us
$68.99$48.99-$68.99*
![Plus Size Disney Moana Tamatoa Costume](https://images.halloweencostumes.ca/products/74751/1-2/plus-size-disney-moana-tamatoa-costume.jpg)
Made By Us
Exclusive
![Adult Squid Costume](https://images.halloweencostumes.ca/products/41462/1-2/adult-squid-costume.jpg)
Made By Us
Exclusive
$89.99-$123.99
![Womens Sassy Shark Costume](https://images.halloweencostumes.ca/products/41551/1-2/womens-sassy-shark-costume.jpg)
Sale - 33%
Made By Us
$82.99$55.99-$82.99*
![Adult Seal Costume](https://images.halloweencostumes.ca/products/44883/1-2/adult-seal-costume1.jpg)
Made By Us
Exclusive
$68.99
![Angler Fish Adult Costume](https://images.halloweencostumes.ca/products/41460/1-2/angler-fish-adult-costume.jpg)
Made By Us
Exclusive
$82.99
![Adult Nifty Narwhal Costume](https://images.halloweencostumes.ca/products/87799/1-2/adult-nifty-narwhal-costume.jpg)
Made By Us
Exclusive
$68.99
![Plus Size Dolphin Costume](https://images.halloweencostumes.ca/products/22221/1-2/plus-size-dolphin-costume.jpg)
Made By Us
Exclusive
![Women's Majestic Jellyfish Costume](https://images.halloweencostumes.ca/products/63752/1-2/womens-majestic-jellyfish-costume.jpg)
Made By Us
Exclusive
$110.99-$123.99
![Adult Hammerhead Shark Costume](https://images.halloweencostumes.ca/products/44066/1-2/adult-hammerhead-shark-costume.jpg)
Made By Us
Exclusive
$89.99-$110.99
![Women's Jellyfish Costume](https://images.halloweencostumes.ca/products/41482/1-2/womens-jellyfish-costume.jpg)
Made By Us
Exclusive
$48.99
![Adult's Narwhal Ugly Christmas Sweater Update](https://images.halloweencostumes.ca/products/46383/1-2/adults-narwhal-ugly-christmas-sweater-update.jpg)
Made By Us
Exclusive
![Plus Size Sebastian Costume](https://images.halloweencostumes.ca/products/70175/1-2/plus-size-sebastian-costume.jpg)
Made By Us
Exclusive
![Plus Size Flounder Costume](https://images.halloweencostumes.ca/products/94124/1-2/plus-size-flounder-costume.jpg)
Made By Us
Exclusive
![Adult Fish Costume Tunic](https://images.halloweencostumes.ca/products/90587/1-2/adult-fish-costume-tunic.jpg)
Made By Us
Exclusive
$96.99
![Adult Blue Octopus Costume](https://images.halloweencostumes.ca/products/41579/1-2/adult-blue-octopus-costume.jpg)
Made By Us
Exclusive
$82.99
![Exclusive Plus Size Adult Shrimp Costume](https://images.halloweencostumes.ca/products/94300/1-2/exclusive-plus-size-adult-shrimp-costume.jpg)
Made By Us
Exclusive
![Plus Size Axolotl Costume](https://images.halloweencostumes.ca/products/94302/1-2/plus-size-axolotl-costume.jpg)
Made By Us
Exclusive
![Adult Sting Ray Costume](https://images.halloweencostumes.ca/products/41486/1-2/adult-sting-ray-costume.jpg)
Made By Us
Exclusive
$68.99
![Adult Blue Whale Costume](https://images.halloweencostumes.ca/products/74455/1-2/adult-blue-whale-costume.jpg)
Made By Us
Exclusive
$123.99
![Exclusive Plus Size Great White Shark Costume](https://images.halloweencostumes.ca/products/94379/1-2/exclusive-plus-size-great-white-shark-costume.jpg)
Made By Us
Exclusive
Filter
If you want to get a unique and different look this Halloween, then our collection of Exclusive Halloween Costumes is for you! We carry more than a hundred unique, exclusive costumes that you will find only on Halloween Costumes.com. From our exclusive plus size Dorothy costume, to our sexy Cheshire Cat costumes, we have a unique costume that will help you stand out at your next event. Find a large selection of sizes, including infant and toddler, as well as plus sizes of many of our costumes. We offer original Halloween costumes you won't find anywhere else! These exclusive unique halloween costumes are sure to get you noticed this Halloween!