Feature Story

Seaside Squad Costumes: Fun & Fabulous Ideas for Your Beach Party

By Walter Jun 28, 2026

Embracing the spirit of summer and the joy of cosplay, Seaside Squad costumes have become a popular choice among fans of the animated series Bubble Guppies. This vibrant group of underwater friends, led by the charismatic Molly, offers a diverse range of characters that are perfect for both kids and adults to dress up as. In this article, we'll explore the world of Seaside Squad costumes, their popularity, and how you can create or purchase your own to join the underwater adventure.

there are many stuffed animals on the stage
there are many stuffed animals on the stage

Why Seaside Squad Costumes Are a Hit

some people are standing in the grass with stuffed animals and a camper behind them
some people are standing in the grass with stuffed animals and a camper behind them

The Seaside Squad's appeal lies in their unique blend of underwater exploration, friendship, and fun. Each character brings something special to the table, making them relatable and lovable. Here are a few reasons why their costumes are a hit:

  • Variety of Characters: From the adventurous Nonny to the musical Gil, there's a character for everyone. This variety makes it easy to find a costume that suits your personality.
  • Colorful and Vibrant Designs: The Seaside Squad's costumes are bright and bold, perfect for standing out at cosplay events or making a splash at a themed party.
  • Easy to Recognize: With their distinctive features and accessories, Seaside Squad costumes are instantly recognizable, making them great for group cosplay or family costumes.
Say hi to Polly! Seaside Squad, Caravan Park, Character Costumes, Mascot Costumes, Say Hi, Moda Femenina
Say hi to Polly! Seaside Squad, Caravan Park, Character Costumes, Mascot Costumes, Say Hi, Moda Femenina

Popular Seaside Squad Costumes

Some Seaside Squad characters are more popular than others, thanks to their unique personalities and designs. Here are a few fan favorites:

a young boy standing next to a large tiger mascot in front of a surfboard
a young boy standing next to a large tiger mascot in front of a surfboard

Molly the Mermaid

As the leader of the Seaside Squad, Molly's costume is a must-have for any cosplayer. Her signature purple and pink tail, along with her seashell tiara, makes her easily recognizable. You can find Molly's costume in various forms, from simple dress-up sets to more elaborate, handmade versions.

Gil the Octopus

some people are standing in front of a swimming pool with mascot characters on the side
some people are standing in front of a swimming pool with mascot characters on the side

Gil's bright orange and yellow costume is hard to miss. His eight tentacle arms and musical instruments make him a popular choice among kids and adults alike. Creating Gil's costume at home can be a fun DIY project, using materials like felt, foam, or even pool noodles for his tentacles.

Creating Your Own Seaside Squad Costume

If you're feeling crafty, making your own Seaside Squad costume can be a rewarding experience. Here are some tips to help you get started:

a woman sitting on top of a lawn chair next to a trailer
a woman sitting on top of a lawn chair next to a trailer
  • Research: Look up reference images of your chosen character to ensure you capture all the details in your costume.
  • Gather Materials: Depending on the character, you might need fabric, felt, foam, or other craft supplies. Don't forget about accessories like wigs, jewelry, or props.
  • Plan Your Design: Sketch out your ideas or use a digital design tool to plan your costume. Consider the fit, comfort, and how you'll attach any accessories.
  • Start Sewing or Building: Once you have your pattern or design, start bringing your costume to life. Take your time and don't be afraid to ask for help if you need it.

Purchasing a Seaside Squad Costume

a mascot sitting on top of a white chair
a mascot sitting on top of a white chair
Flickr Login
Flickr Login
two stuffed animals are sitting in lawn chairs
two stuffed animals are sitting in lawn chairs
two women dressed in sailor uniforms are standing together and pointing at something on the screen
two women dressed in sailor uniforms are standing together and pointing at something on the screen
Pool party costume
Pool party costume
#surfista #salvavidas #nadador Surfer Costume, Lifeguard Outfit
#surfista #salvavidas #nadador Surfer Costume, Lifeguard Outfit
seaside squad costumes
seaside squad costumes
two people in costumes playing baseball with a tiggera and tiger mascot at the entrance of a store
two people in costumes playing baseball with a tiggera and tiger mascot at the entrance of a store
a man in an orange shirt and blue pants standing next to a cartoon character
a man in an orange shirt and blue pants standing next to a cartoon character
a person in a tiger costume sitting on a porch next to the ocean and trees
a person in a tiger costume sitting on a porch next to the ocean and trees
a man dressed as a monkey holding a cell phone
a man dressed as a monkey holding a cell phone
a large stuffed animal sitting on the back of a small cart in an empty parking lot
a large stuffed animal sitting on the back of a small cart in an empty parking lot
a woman standing next to a horse in front of a house with her arms outstretched
a woman standing next to a horse in front of a house with her arms outstretched
two children standing next to mascots in the lobby at a restaurant with people dressed up
two children standing next to mascots in the lobby at a restaurant with people dressed up
two cartoon characters sitting on lawn chairs in front of a trailer
two cartoon characters sitting on lawn chairs in front of a trailer
the mascot is standing on top of a lifeguard chair in front of some people
the mascot is standing on top of a lifeguard chair in front of some people
two people dressed up in costumes standing next to each other on a brick walkway near a building
two people dressed up in costumes standing next to each other on a brick walkway near a building
two people dressed as tiggers standing in front of a welcome sign and mascot
two people dressed as tiggers standing in front of a welcome sign and mascot
two women in costumes posing for a photo with a stuffed animal and tiger behind them
two women in costumes posing for a photo with a stuffed animal and tiger behind them
three people standing around a pool table with winnie the pooh and tigger on it
three people standing around a pool table with winnie the pooh and tigger on it

If you're short on time or not confident in your crafting skills, buying a Seaside Squad costume is a convenient alternative. Here are some options to consider:

Costume Type Pros Cons
Store-bought Easy to find, often affordable, and ready to wear. May not be as high quality or unique as a handmade costume. Could be less comfortable or not fit perfectly.
Handmade High quality, unique, and often more comfortable. Can be made to fit your body perfectly. More expensive and may take longer to receive. You'll need to find a reputable seller.
Rental Affordable, convenient, and great for one-time events. May not fit perfectly or be in the best condition. Not an option for long-term use or multiple events.

When purchasing a costume, always check the seller's reputation, read reviews, and ensure the costume is the right size. Some online marketplaces specialize in handmade or custom costumes, which can be a great option for finding unique Seaside Squad outfits.

In conclusion, Seaside Squad costumes offer a fun and engaging way to bring the underwater world of Bubble Guppies to life. Whether you choose to create your own or purchase one, there's a Seaside Squad character waiting for you to join their adventures. So dive in, have fun, and let your inner mermaid or sea creature shine!