Plus Size Bikinis

Plus size bikinis in 27 styles, about $14 to $86 — high waist, push up, underwire, denim and wrap cuts. Extended sizing, built to move. Shop the edit at Sunnybikinis.

27 products
Skip to results list
  • Neon Lace‑Up Halter Bikini Set with High‑Waist Bottoms

    Neon Lace‑Up Halter Bikini Set with High‑Waist Bottoms

    $35.68
  • Gold‑Chain High‑Waist Bikini Set for Women

    Gold‑Chain High‑Waist Bikini Set for Women

    $33.39
  • Floral V‑Neck Bikini Set with Sports Bra & Tie‑Side Bottoms

    Floral V‑Neck Bikini Set with Sports Bra & Tie‑Side Bottoms

    $35.28
  • Sexy Denim O Ring High Leg Triangle Brazilian Bikini

    Sexy Denim O Ring High Leg Triangle Brazilian Bikini

    $32.25
  • One‑Piece Swimsuit – Tummy Control V‑Neck Cutout Design

    One‑Piece Swimsuit – Tummy Control V‑Neck Cutout Design

    $34.99
  • Sheer Mesh Fishnet Plus Size One-Piece Swimsuit

    Sheer Mesh Fishnet Plus Size One-Piece Swimsuit

    $39.83
  • American Star-Striped Flag Padded Adjustable Straps Bikini

    American Star-Striped Flag Padded Adjustable Straps Bikini

    $34.99
  • Solid Wrap Push‑Up High‑Waisted Bikini Set for Women

    Solid Wrap Push‑Up High‑Waisted Bikini Set for Women

    $36.85
  • Plus Size Tie‑Dye High‑Waist Bikini Set for Women

    Plus Size Tie‑Dye High‑Waist Bikini Set for Women

    $38.85
  • Leopard Velvet Metallic Chain Thong Triangle Bikini

    Leopard Velvet Metallic Chain Thong Triangle Bikini

    $33.68
  • Halter Bikini Set High Waist Vintage Swimsuit with Push Up

    Halter Bikini Set High Waist Vintage Swimsuit with Push Up

    $28.99
  • Vintage High‑Waist Wrap Bikini Set for Women

    Vintage High‑Waist Wrap Bikini Set for Women

    |18 reviews

    $35.65
  • Contrast‑Color Push‑Up One‑Piece Swimsuit for Women

    Contrast‑Color Push‑Up One‑Piece Swimsuit for Women

    |16 reviews

    $36.68
  • Plus Size Ruched High‑Waist Push‑Up Underwire Bikini Set

    Plus Size Ruched High‑Waist Push‑Up Underwire Bikini Set

    $36.86
  • Floral Push‑Up Bikini Set – Tie‑Side Spaghetti Swimwear

    Floral Push‑Up Bikini Set – Tie‑Side Spaghetti Swimwear

    $35.68
  • Sunnybikinis Leak-Proof Menstrual Bikini Bottom

    Sunnybikinis Leak-Proof Menstrual Bikini Bottom

    $21.99
  • Sunnybikinis Leak-Proof Menstrual Swimwear

    Sunnybikinis Leak-Proof Menstrual Swimwear

    $13.99
  • Sunnybikinis Leak-Proof Menstrual High Waist Panties

    Sunnybikinis Leak-Proof Menstrual High Waist Panties

    $16.99
  • Sunnybikinis Leak-Proof Menstrual Swimsuit

    Sunnybikinis Leak-Proof Menstrual Swimsuit

    $40.99
  • Sparkling American Flag Plus Size Halter Bikini

    Sparkling American Flag Plus Size Halter Bikini

    $36.65
What to look for in a plus size bikini

What to look for in a plus size bikini

A good plus size bikini is built differently, not just sized up. The band, the seams and the stretch are chosen for a fuller frame, and you can feel the difference the moment it goes on.

  • A wide waistband or under-bust band that stays level — the band carries the fit, not the straps
  • Seams that lie flat and do not dig at the waistband, under the bust or around the leg
  • Stretch fabric with recovery — it stretches when you move and comes back when you rest
Plus size styles in this edit

Plus size styles in this edit

  • High waist and wrap bottoms for a wider, secure band
  • Push up and underwire tops for fuller-bust support
  • Sport and athletic cuts with wider straps
  • Denim, ruched and tie-dye pieces that hold their shape
  • Leopard, flag and metallic details for statement sets
How to find your fit

How to find your fit

  • Size on the larger measurement. If your waist and under-bust differ, the larger one decides the size — the band is what holds
  • The band should sit level and stay put when you raise your arms. If you keep tightening straps, the band is too loose
  • Cups should fill without gapping at the top or spilling at the side — gape means go down a cup, spill means go up
  • Between sizes in a high waist bottom? Take the waistband fit. It is the part that does the work
Wearing plus size bikinis all day

Wearing plus size bikinis all day

  • Layer on purpose — a front open cover up or sarong changes the look without hiding the set
  • The cut decides how it wears. High waist, sport and halter each suit different bodies; choose the shape you move well in
  • Rinse after the water and air dry in shade. Rotate between sets so the stretch fabric recovers

Frequently asked questions

What sizes do plus size bikinis come in?
This edit runs 27 styles with extended sizing — several go to DD+ cups. Check the size chart on each listing, since one set can span multiple ranges.
Which bikini is best for a plus size frame?
Look for a wide band, flat-lying seams and structure where you want it — push up or underwire tops, high waist bottoms. The styles in this edit cover all three.
Do plus size bikinis stay in place in the water?
Yes, when the band fits. Size on the larger of your waist or under-bust, and make sure the band stays level when you raise your arms — that is the fit check that matters.
Can I use a plus size bikini for swimming, not just the beach?
Yes — the sport and athletic cuts in this edit, with wider straps and secure bands, are built for actual swimming. Rinse and air dry after every session.
  • Free standard shipping over $30 Delivery 8–15 business days
  • 30-day returns Unworn & original packaging
  • Secure checkout SSL-encrypted payments
  • Style & fit support Size charts on product pages · email help