Best Ocean & Scuba Halloween Costumes

Billy and Isaiah dream of one day becoming certified scuba divers just like their parents and were thrilled when they got to dress up as divers while attending a trick-or-trunk event. This costume is great for any age and can be super simple or more intricate for anyone who loves to craft.

For more information on how to create your own scuba diver costume, click here.

This jellyfish costume is sure to receive glowing reviews! While this vibrant costume might look like a challenge to build, it doesn’t require any sewing and can be easily customized to your liking. When buying lights to include in the hat, buy LED lights because they won’t get hot.

If you are interested in recreating this jellyfish costume, click here.

Want a jaw-dropping costume on wheels? This shark cage diving costume is one of a kind and perfect for any shark enthusiast. While this costume does require a bit more time and dedication to create, we think the end result is Fin-tastic! 

Click here to see what materials are recommended to create this masterpiece.

If you have a little mermaid in your family, this group costume is a beloved classic. Whether you choose to purchase new costumes or create your own, there is a character for everyone in the family, even your pets! 

This no-sew costume is perfect for any little one who needs to be kept warm while enjoying some of their earliest Halloween memories. All you need to create this baby shark is a grey onesie, some colored felt (light pink, white, and black), scissors, and fabric glue.

For more info about this costume and other DIY costume ideas, click here.

Every princess deserves her own beautiful throne! This throne was custom-made by Walkin’ Rollin’ Costumes, a non-profit organization that is dedicated to building free costumes for kids in walkers and wheelchairs. The application process for 2023 is now closed, but we hope this inspires you to create your own throne, let your imagination run wild, and remember that life is better under the sea.

To learn more about Walkin’ Rollin’ Costumes and to see more of their creations, click here.

Looks like this sea siren caught her sailor! This couple’s costume can range from sweet to spooky depending on your creative touch. Don’t forget a temporary bicep tattoo to complete the savvy sailor and a starfish hairpiece for the singing siren.