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Removes Ocean Plastic ♻️

Tidewater String Bikini Bottom by Coastal Cool sustainable UPF 50 adjustable seamless flattering fit
Tidewater String Bikini Bottom by Coastal Cool sustainable UPF 50 adjustable seamless flattering fit

Tidewater String Bikini Bottom

Lightweight and easy to adjust, our recycled string bikini bottoms bring lasting comfort and effortless style to every paradise escape.

As Seen On
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$49.00
Size Size chart XS
💧 Fast-drying, lightweight fabric
👙 Flexible 4-way stretch fit
☀️ UPF 50+ protection
♻️ Sustainable recycled materials
🌊 Every purchase removes a pound of ocean plastic
Order within 00h 00m to get it by Loading...
Fast Shipping FAST 2–5 DAY DELIVERY
Loved Worldwide LOVED WORLDWIDE
Family Owned FAMILY OWNED BUSINESS

Fit

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Description

Chase the sun in style.


This bikini bottom flatters every curve with adjustable side ties, silky-soft stretch fabric, and a quick-dry design made for carefree days by the coast.

Details:

  • 81% recycled polyester, 19% spandex

  • Adjustable side ties for a custom fit

  • Soft, breathable, and quick-drying

  • UPF 50+ sun protection

  • Chlorine + saltwater resistant

  • OEKO-TEX® & GRS certified

  • Sizes up to 3XL — made for every body

  • Designed to mix + match with Coastal Cool tops

Style it with: matching bikini top sold separately.

Product Care

Swimwear Care:

  • Rinse after saltwater or chlorine to keep colors bright.
  • Hand wash gently in cold water with mild detergent.
  • Avoid twisting or wringing—treat your suit with care.
  • Lay flat to dry in the shade to keep it fresh and vibrant.
  • Keep away from rough surfaces to prevent snags.
  • Wash with like colors to protect your paradise-ready gear.

Made to move, made for endless adventures.

Questions? We're here for you.

Our team is here to help with fit, sizing, or anything you need.

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Tidewater String Bikini Bottom

$49.00
CabanaTimePalms-Coastal Cool-Beachwear-Swimwear-Fashion-Swim
Coastal_Cool-Coastal Cool-Beachwear-Swimwear-Fashion-Swim
2_f121f05a-375f-42b0-87f4-d5909f41a601-Coastal Cool-Beachwear-Swimwear-Fashion-Swim
CabanaTimePalms-Coastal Cool-Beachwear-Swimwear-Fashion-Swim
Coastal_Cool-Coastal Cool-Beachwear-Swimwear-Fashion-Swim
2_f121f05a-375f-42b0-87f4-d5909f41a601-Coastal Cool-Beachwear-Swimwear-Fashion-Swim

Customer Reviews

See what our customers are saying

Sarah M.

Verified Customer

These swim trunks fit perfectly and feel great both in and out of the water. The black and white design is clean and bold, and the fabric is lightweight, dries super fast, and is insanely comfortable.

December 20, 2025

Angela

Verified Customer

The drift bikini pattern takes me back to a beautiful day in the tropics! The design is beautiful and the fabric is sooo soft!

December 18, 2025

Emily K.

Verified Customer

Perfect for summer! The fabric is breathable and the design is exactly what I was looking for. Customer service was excellent too.

December 15, 2025

James T.

Verified Customer

Fantastic quality. Love the fit and the colors. Great product, I would highly recommend them.

December 12, 2025

Lisa

Verified Customer

Love the new Bandeau Bikini top! No bathing suit strap tan lines!!! It also looks amazing under a beachy top. The soft material and the beautiful design make it one of my favorites. Highly recommend.

December 10, 2024

Chris L.

Verified Customer

Vibrant design, quality material, and comfortable!

December 8, 2024

Marjorie

Verified Customer

My Grandson Jack, 17, senior in hs and a quarterback, loves this patriotic swimsuit. I’ll be ordering again.

December 5, 2025

Chris B.

Verified Customer

We are very pleased - top quality, well made, comfortable.

December 3, 2025

Rachel W.

Verified Customer
Sunglasses

Great swimsuit! The fit is perfect and the material is really comfortable. The design of the fabric is crazy and nothing else like it!

December 1, 2025

Jeremy B.

Verified Customer

Size was perfect, the shirt fits and looks great on me!

November 28, 2025

Sarah M.

Verified Customer

These swim trunks fit perfectly and feel great both in and out of the water. The black and white design is clean and bold, and the fabric is lightweight, dries super fast, and is insanely comfortable.

December 20, 2025

Angela

Verified Customer

The drift bikini pattern takes me back to a beautiful day in the tropics! The design is beautiful and the fabric is sooo soft!

December 18, 2025

Emily K.

Verified Customer

Perfect for summer! The fabric is breathable and the design is exactly what I was looking for. Customer service was excellent too.

December 15, 2025

James T.

Verified Customer

Fantastic quality. Love the fit and the colors. Great product, I would highly recommend them.

December 12, 2025

Lisa

Verified Customer

Love the new Bandeau Bikini top! No bathing suit strap tan lines!!! It also looks amazing under a beachy top. The soft material and the beautiful design make it one of my favorites. Highly recommend.

December 10, 2024

Chris L.

Verified Customer

Vibrant design, quality material, and comfortable!

December 8, 2024

Marjorie

Verified Customer

My Grandson Jack, 17, senior in hs and a quarterback, loves this patriotic swimsuit. I’ll be ordering again.

December 5, 2025

Chris B.

Verified Customer

We are very pleased - top quality, well made, comfortable.

December 3, 2025

Rachel W.

Verified Customer
Sunglasses

Great swimsuit! The fit is perfect and the material is really comfortable. The design of the fabric is crazy and nothing else like it!

December 1, 2025

Jeremy B.

Verified Customer

Size was perfect, the shirt fits and looks great on me!

November 28, 2025

As seen in

  • Recycled Fabrics

    Recycled Fabrics

    Crafted from premium materials made with recycled plastic for a more sustainable coastline.

  • UPF 50+ SUN PROTECTION

    UPF 50+ SUN PROTECTION

    Stay protected under the sun with UPF 50+ fabric designed for beach days, pool days, and everything in between.

  • QUICK-DRYING TECHNOLOGY

    QUICK-DRYING TECHNOLOGY

    Dries fast to keep you comfortable from the water to wherever the day takes you.

  • LIGHTWEIGHT AND BREATHABLE

    LIGHTWEIGHT AND BREATHABLE

    Soft, lightweight construction with breathable lining for all day comfort.

  • FOUR-WAY STRETCH

    FOUR-WAY STRETCH

    Engineered for maximum mobility with smooth, flexible stretch that moves with you.

  • ETHICALLY MADE

    ETHICALLY MADE

    Produced using responsible practices and ethically sourced materials.