Pool Party costume — example look
AI-generated example

Pool Party

Bring summer vibes to your next party with a splashy look.

A Pool Party themed costume is a fun, breezy choice for Halloween, summer bashes, or decade parties. This guide focuses on the classic retro pool party look—featuring a colorful swim cover-up, inflatable accessories, and bright summer gear. It is incredibly easy to customize, comfortable to wear, and perfect for warm-weather events.

Difficulty
Easy
Time
~20 min
Budget
$15–45
See yourself in one of these →What you need

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See yourself as Pool Party

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Pool Party costume
Example look · AI-generated
You as Pool Party
Result

40 Pool Party costume ideas

Ranked by how many people are searching for them this season. Open any one for the full guide and to try it on.

What you need for a Pool Party costume

  • Hawaiian Shirt or Swim Cover-up

    A bright, floral-patterned short-sleeve button-down shirt or a colorful mesh beach cover-up.

    DIY: Use any oversized bright t-shirt or a floral shirt from your closet.

    Amazon

  • Board Shorts or Swimsuit

    Brightly colored swim trunks, board shorts, or a classic one-piece swimsuit worn underneath.

    DIY: Wear any athletic shorts or summer shorts you already own.

    Amazon

  • Inflatable Pool Float

    A small, colorful inflatable swim ring (like a donut or flamingo) worn around the waist.

    DIY: Carry a colorful pool noodle or a pair of inflatable arm floaties instead.

    Amazon

  • Retro Sunglasses

    Neon plastic sunglasses, aviators, or oversized white-rimmed retro shades.

    DIY: Any summer sunglasses you have on hand.

    Amazon

  • Lifeguard Whistle

    A classic silver or red plastic whistle on a matching lanyard worn around the neck.

    Amazon

  • Sun Visor or Straw Hat

    A neon plastic sun visor or a wide-brimmed straw beach hat.

    DIY: A standard baseball cap worn backward.

    Amazon

How to put it together

  1. 1

    Put on your swimsuit, board shorts, or summer shorts as the base layer.

  2. 2

    Layer the unbuttoned Hawaiian shirt or colorful beach cover-up over your base layer.

  3. 3

    Inflate the swim ring and slip it over your head so it rests comfortably around your waist.

  4. 4

    Put on the neon sun visor or straw hat.

  5. 5

    Hang the lifeguard whistle on its lanyard around your neck.

  6. 6

    Finish the look by sliding on your retro sunglasses and wearing slides or flip-flops.

Makeup & hair

Apply a dab of white sunscreen or zinc cream on the bridge of your nose for a classic beachgoer look. Keep hair messy, wet-looking, or styled in casual beach waves.

Pool Party for couples, groups, kids & more

couples
One person goes as a lifeguard with a red swimsuit and whistle, while the other goes as a tacky tourist covered in sunscreen.
group
Coordinate a synchronized swimming team with matching swim caps and retro one-piece suits, or a full beach party squad.
kids
A mini lifeguard outfit with a red t-shirt, red shorts, a whistle, and a zinc-nosed face.
Plus size
Flowy, colorful kaftans or oversized Hawaiian shirts paired with comfortable stretch board shorts offer a great, breezy fit.
pet
A small dog-sized shark fin attachment or a tiny Hawaiian shirt.

Tips

  • If you are wearing an inflatable float around your waist all night, make sure it is small enough that you can easily sit down or walk through doorways.
  • Wear comfortable footwear like slides, flip-flops, or canvas sneakers since you will be walking around.
  • Keep a small fanny pack handy under your float to hold your phone, keys, and wallet securely.
  • If the event is outdoors or chilly at night, swap the shorts for bright sweatpants or wear a colorful windbreaker.

Pool Party costume FAQ

What should I wear for a pool party themed costume?
The best outfits include Hawaiian shirts, board shorts, neon visors, sunglasses, and inflatable accessories like arm floaties or a swim ring.
How do I make a cheap DIY pool party costume?
Use summer clothes you already own, like a swimsuit and shorts, put some white lotion on your nose, wear sunglasses, and carry a colorful beach towel over your shoulder.
Can I wear this costume to an indoor party?
Yes! It is a highly popular theme for indoor college parties and retro-themed events. Just wear comfortable slides or sneakers instead of going barefoot.

Did you know? The modern pool party took off in the American suburbs during the 1950s as residential in-ground pools became affordable status symbols of leisure.