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DIY Tween Ariel Land Costume
Polkadot Chair
You may need some basic sewing skills to put together this satin skirt and vest look, but the results will be fit for a princess. And make sure to incorporate accessories like a large blue bow and flounder plush for the perfect under the sea moment.
How adorable — and more importantly, easy — is this dress that includes a metallic green scaled skirt? It also comes with a bow that features the same pattern for ultimate Ariel vibes.
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Adult DIY Ariel Costume
Daniel Knighton
Ditch the skirt this year and opt for metallic scale-printed pants like you see here. You can easily attach purple seashells to any top you have, or you can go the movie way, and skip the seashell bra altogether. Finish the look with a stuffed Flounder.
Ariel is royalty after all, and this costume perfectly embodies her regal nature with a scepter and tiara. It also includes the perfect mermaid skirt and a red wig, taking after the animated version of the film.
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Kids Ariel Adaptive Costume
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Kids Ariel Adaptive Costume
From the official Disney shop, this beautiful costume features opening at the back and a discreet flap in the front, not to mention all the pretty sequins!
Who could forget seeing Halle step on screen in that ruffly blue dress? This look for kids is almost identical, and it even comes with the pink headband.
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Adult DIY Ursula Costume
Vivien Killilea
Everyone’s favorite sea witch’s iconic style doesn’t take much to pull off: pair a black tube top with a pair of leggings, and then twist together black and purple tulle to create her tentacles.
In the animated version of the film, Ariel created a dress out of tattered fabric and rope when she first gained her legs. DIY your own version of this look with a bedsheet and gold belt. Don’t forget to come through your hair with a fork as you make your way through the Halloween party.
You can’t pass up the opportunity to dress up your baby in this adorable plush Flounder costume. It includes a full bodysuit with snaps and a hood. It also comes in sizes 0–18 months. Shop the adult version here.
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Channel the evil sea witch with this adult version of her getup. Instead of tentacles, this outfit features a ruffled skirt. It comes in sizes small to 4X.
Every voice stealing sea witch needs her crown and seashell necklace. This accessory kit, which includes a foam crown headband and velvet collar cape, is just the thing to complete your look.
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Adult Ariel Land Costume
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Adult Ariel Land Costume
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Adult Queen Selina Gown
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Adult Queen Selina Gown
Okay, it’s not as regal as the Queen in the movie, but it’s close. You can channel Eric’s mom even more if you play up the dress with a lot of jewelry.
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King Triton Costume Kit
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King Triton Costume Kit
Now 12% Off
With this accessory kit, you’ll be fit to rule the sea. It comes complete with a bearded mask, foam crown and wrist cuffs.
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Toddler Sebastian Costume
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Toddler Sebastian Costume
Styled after the live-action movie, your little one will be anything but crabby in this getup. It comes in sizes 6 months-4T.
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Adult Sebastian Costume
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Adult Sebastian Costume
He’s King Triton’s right hand and advisor, but he mostly looks after Ariel. Channel everyone’s favorite crab with this effortless jumpsuit. The costume also includes a headpiece and mitts. Shop the kid version here.
Make your little one’s dreams of dressing as Ursula come true with this octopus-inspired gown. It comes in sizes 3T- 14 years old, and features glitter tentacles.
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Adult Prince Eric Costume
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Adult Prince Eric Costume
With this addition, you’ve got the perfect couples costume in the making. For guys who don’t love to dress up, it’s festive without being too over-the-top.
Staff Writer
Cameron (she/her) is a staff writer for Good Housekeeping, where she covers everything from holidays to food. She is a graduate of Syracuse University, where she received a B.A. in magazine journalism. In her spare-time she can be found scrolling TikTok for the latest cleaning hacks and restaurant openings, binge-watching seasons of Project Runway or online shopping.
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