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

Patriotic DD+ Padded Bikini

Patriotic DD+ Padded Bikini

$32.85
Metallic Crystal Thong Bicolor Micro Bralette Bikini

Metallic Crystal Thong Bicolor Micro Bralette Bikini

$31.28
Plus Size Sexy Solid Backless String One Piece Swimsuit

Plus Size Sexy Solid Backless String One Piece Swimsuit

$31.17
Textured High Cut Bandeau O Ring Three Piece Swimsuit

Textured High Cut Bandeau O Ring Three Piece Swimsuit

$38.19
Women’s Split Plus Size Bikini

Women’s Split Plus Size Bikini

$38.14
Coconut Drawstring Side Halter Neck Tankini Set

Coconut Drawstring Side Halter Neck Tankini Set

$38.37
Leopard High Cut Ruffle Triangle Three Piece Swimsuit

Leopard High Cut Ruffle Triangle Three Piece Swimsuit

$39.28

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

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

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

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.