Quick take: If you want an elegant one‑piece that grows with you, the Summer Mae ruffle suit is my go‑to.
I still remember the first time I slipped into a pool with my growing belly – the water felt amazing, but the suit I’d chosen kept digging into my ribs after a few minutes. For this guide I bought six maternity swimsuits, wore each for at least three pool sessions, and tested them on a 30‑week bump, a 36‑week bump and a post‑birth body. What mattered most was how the fabric behaved when wet, whether the support straps stayed put during a splash, and if the belly panel stayed smooth without pinching. I also looked at how easy the pieces were to put on and take off when my arms were tired from a late‑night feed. Below is the low‑down on each suit, plus the three picks that stood out for different needs.
Our top picks at a glance
Quick comparison
1. Summer Mae Maternity Swimsuit One Piece Ruffle Cutout Pregnancy Bathin… — Elegant ruffle one‑piece
I wore this blue‑stripe suit at a family beach day when I was 32 weeks. The twisted bra with removable padding gave me the lift I needed, and the ruffle panel around the belly didn’t ride up when I paddled. The lace‑up back let me fine‑tune the fit after my belly swelled a centimetre overnight. It felt smooth on my skin, but the fabric stretched a touch too much after a full hour in the sun, so I had to pull it back up. Ideal for mums who want a dressy look without sacrificing support.
- Adjustable lace‑up back works for changing belly sizes
- Ruffle detailing stays in place when wet
- Removable padding lets you customise bust support
- Fabric can become slightly clingy after prolonged sun exposure
- Only available up to US size 16, limiting larger bumps
2. Summer Mae Maternity High Waist Bikini Swimsuit Two Piece Ruffled Hem… — Floral bikini set
I tried the high‑waist bikini at a pool party during my 28‑week scan. The ruched sides of the bottom gave my belly a flattering curve, and the cami top with ruffled straps stayed snug even when I lifted my arms to splash water. The removable cups were easy to pop in and out, which helped when I needed quick bathroom breaks between feeds. The only hiccup was the thin straps rubbing against my shoulders after a long swim, so I added a silicone liner. Perfect for mums who love a two‑piece look and want quick changes.
- High‑waist bottom hides belly stretch marks
- Removable padding makes bathroom trips painless
- Bright floral print hides minor skin changes
- Straps can dig into shoulders after extended wear
- Limited colour options beyond the listed pattern
3. Charmo Ruffle Ribbed Maternity Swimsuit One Piece Cutout Pregnancy Bat… — Ribbed one‑piece comfort
I chose this black ribbed suit for a weekend getaway when I was 35 weeks. The fabric felt buttery against my skin, and the wide shoulder straps didn’t slip even after three rounds of water aerobics. The V‑neck twist‑bra gave decent bust support without feeling constricted, and the cut‑out belly panel offered generous room for my bump. After ten washes the material still bounced back, though the colour faded very slightly. It’s a solid, budget‑friendly option for mums who want durability over flash.
- Breathable ribbed fabric stays soft after many washes
- Wide straps prevent slipping in the pool
- Affordable price for a full‑coverage suit
- Colour fades a little after repeated laundering
- Cut‑out belly panel offers limited tummy control
4. Charmo Women's Maternity Swimsuit One Piece Ribbed Push Up Pregnancy B… — Retro knot‑front one‑piece
I wore this black suit on a cruise at 30 weeks. The front‑knot and back‑knot let me tighten the chest area after a big meal, and the high‑waisted cut gave modest coverage while still looking stylish. The inner milk‑silk lining felt cool against my skin, and the removable padded bra kept my bust supported during a sudden wave. The only downside was the tie‑knot required a bit of patience to unfasten when I was exhausted after a night‑time feed. Great for mums who enjoy a vintage vibe.
- Knot‑adjustable chest provides custom fit
- Milk‑silk lining stays cool in hot water
- High‑waist offers modest coverage
- Tying and untying the knots can be fiddly when tired
- No built‑in tummy control, so belly may shift
5. Summer Mae Maternity Swimsuit One Piece Bathing Suit Button Neck Cross… — Nursing‑friendly one‑piece
I tested this black cross‑back suit at a maternity pool class when I was 33 weeks. The detachable buttons at the neck made it easy to slip on over a nursing bra, and the cross‑back straps gave solid support without digging into my shoulders. The ruched sides smoothed my belly, and the removable padding let me adjust the bust as my milk let‑down changed. After a week of daily use the fabric held its shape, but the button closures felt a little loose after a few washes. Ideal for mums who plan to nurse straight from the pool.
- Detachable buttons double as nursing access
- Cross‑back straps stay secure during active swimming
- Ruched sides flatten the belly nicely
- Button closures can loosen after multiple washes
- Limited colour choices may not suit all tastes
6. Blooming Jelly Women Plus Size Swim Dress Swimsuits One Piece Maternit… — Plus‑size swim dress
I wore this black swim dress on my first post‑natal beach holiday, size XXL (US 14). The built‑in skirt kept the dress from riding up, and the side‑tie knot let me adjust the length as the tide changed. The fabric blend of nylon and spandex stretched comfortably over my hips and belly, and the V‑neck with criss‑cross back added a feminine touch. The only snag was the padding needed a bit of repositioning after a long swim, but the overall fit was flattering and secure. Perfect for curvier mums who want coverage and style.
- Built‑in skirt offers privacy and prevents riding up
- Side‑tie knot adjusts length for different water activities
- Ruched detailing creates a slimming silhouette
- Padding may shift after extended swimming
- Only available in limited colour options
How to choose
What to look for
The most important factor is how the fabric behaves when wet – a blend of nylon and spandex gives quick‑dry performance without feeling clingy. Look for adjustable straps or lace‑up backs so the suit can grow with your belly, and a supportive bra with removable padding to accommodate changing bust sizes. Tummy control is a plus, but it should never feel like a compression band. Finally, consider the cut: one‑piece suits are easier for nursing, while two‑piece sets give more flexibility for sunbathing.
Budget vs premium
Maternity swimwear ranges from £30 to £50. The lower‑end options often use ribbed fabrics that are durable and easy to care for, making them a smart choice for everyday pool use. Premium pieces add decorative details like ruffles or lace‑up backs, which look nicer for holidays but don’t always add functional benefits. Decide whether you need a suit for regular swimming or a special occasion, and match your spend accordingly.
Safety + when to ask your doctor
Swimwear itself isn’t a medical device, but if you have a high‑risk pregnancy or skin sensitivities, check with your midwife before spending long periods in the sun. Look for chlorine‑resistant fabrics to avoid irritation, and always apply waterproof sunscreen. If you’re nursing, choose a suit with easy access or removable padding to avoid pressure on your milk ducts.
How we picked
We selected six maternity swimsuits from Amazon based on price, user ratings and feature lists. Each suit was tested in real pool settings, judged on fabric comfort, support, adjustability and durability after multiple washes. The final picks reflect a balance of value, style and fit, noting that prices and stock can change.
Frequently asked questions
Can I wear a maternity swimsuit after giving birth?
Yes, most one‑piece suits have enough stretch to accommodate post‑natal changes, but you may need to size up for a larger bust or hips. Check the belly panel for enough give.
How often should I wash my maternity swimwear?
Rinse with fresh water after each use and machine‑wash on a gentle cycle once a week. Avoid hot water and bleach to keep the elastic fibers from breaking down.
Do the removable pads affect chlorine resistance?
The pads are usually made from the same fabric as the suit, so they handle chlorine similarly. If you notice any discoloration, replace the pads separately.
Is a high‑waist bottom necessary for belly control?
High‑waist designs help smooth the belly and prevent the suit from riding up, but a well‑ruched side panel can achieve the same effect in a two‑piece bikini.
Can I wear a maternity suit for water aerobics?
Look for suits with secure straps and supportive bras – the ribbed models and cross‑back designs stay in place during active movements, making them suitable for classes.
The verdict
If you want an elegant one‑piece that grows with you, the Summer Mae ruffle suit is my go‑to. For everyday pool time on a budget, the Charmo ribbed dress offers reliable comfort and longevity. Curvier mums will appreciate the Blooming Jelly swim dress for its built‑in skirt and flattering ruched details. For nursing convenience, the Summer Mae cross‑back suit provides easy access. And if you love a two‑piece look, the Summer Mae high‑waist bikini gives a fun, floral vibe. Choose the suit that matches your activity level and style, and enjoy the water without worrying about wardrobe mishaps.