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Many kids are fascinated with sea creatures and who could blame them with their mystical fins, colorful patterns and wonky looking bodies? If you have a little Nemo, mermaid or aquatic fan who would love an under the sea party, these 12 fresh picks offer up some lively good times. From sea-worthy fare like crab cupcakes and “sushi,” to fun party crafts like paper plate fish and dangling jellyfish, these party ideas are the catch of the day!

Candy “Sushi” (via CupKate’s Event Design) Here’s a sweet way to make sushi that kids will actually want to eat!

Tropical Fish Craft (via Make and Takes) These vivacious paper plate fish can be colored any way you’d like and are a fun party project for any under the sea party.

Jellyfish Craft (via Spoonful) How cute are these dangling yarn jellyfish which double as festive sea decorations or a fun party craft.

Fish and Crab Cupcakes (via The Decorated Cookie) Dazzle your seafaring guests with these easy and googly-eyed candy fish and crab cupcakes.

Under the Sea Favor Bag $17 set of 14. These cute 4 x 6″ muslin bags are versatile enough to hold many different treats or small trinkets, and have a simple look that fits in across many under the sea themes.

Mermaid Party Printables $39. This aqua mermaid printable pack features a classic design (great for slightly older kids) and includes everything from the party invites to banner and food tags.

Under the Sea Cupcake Toppers $11 for set of 12. For a bright and cheerful look, check out these handmade toppers with whimsical and familiar sea characters.

Blue Sea Party Printable Kit $10. This darling lime and blue party printable set is especially appropriate for the younger set and features everything from banner, label tags, cupcake toppers and even t-shirt design. Personalized name can be added for an extra fee.

Mini Fish Soap Favors $15 for 30. These adorable little fish soaps will help keep your ocean guests squeaky clean and are available in your choice of color or scent.

Goldfish Snack (via Parents) Keep the sea party healthy with these cute rice cracker goldfish snacks, which are almost too cute to eat.

Watermelon Fish (via Spaceships and Laserbeams) Here’s an another healthy party food idea that easy to prep, but is most definitely swimming in line with the theme.

Mason Jar Aquarium (via hello, Wonderful) This jar aquarium is one I put together for my kids which was a huge hit. It takes minutes to make and requires very few materials. Once finished, kids are left with a memento they’ll love to swirl and play with over and again!

More party ideas here:

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