The best Maris & Sol maternity swimwear picks are the Maternity One Size Luxe Crinkle Swimsuit ($133) for moms who want one suit through every trimester and postpartum, the Portofino High-Waisted Bikini Set ($144) for extra bump coverage with a polished look, the Portofino Low-Waisted Bikini Set ($144) for those who prefer a lower rise, and The Ultimate Daily Tote ($150) for carrying pool and baby essentials in one bag. All three swimwear pieces share the same four-way stretch crinkle fabric handmade in England and fit US sizes 2-16, backed by a 14-day fit guarantee. The comparison below breaks down which piece suits each stage of pregnancy and postpartum.
1
Maternity One Size Luxe Crinkle Swimsuit
$133$190marisandsol.comPros:
Fits comfortably from pre-pregnancy through postpartum without buying multiple sizes
Adapts smoothly over a growing bump without digging or pinching
Converts for nursing in seconds, no fumbling at the pool or beach
Holds its shape wash after wash thanks to the crinkle texture
This swimsuit is built from a four-way stretch crinkle fabric that moves with the body rather than against it, a detail that lets one size genuinely cover US 2-16. It suits expecting mothers who want a single suit for every trimester, plus postpartum wear once nursing access matters. Reviewers describe it as a suit worn \"through my entire pregnancy and still\" in the months after. One buyer called the one-size approach \"crazy\" sounding until she tried it on. Those who prefer heavy structure or underwire support may want to size up expectations, since the fit relies on stretch rather than rigid panels.
Highlights:
- Handmade in England in small ethical batches
- Golden Sage colorway, part of a wider on-sale collection
- Nursing-friendly convertible straps
- No harsh chemical treatments on the fabric
- Backed by a 14-day fit guarantee with free exchange
2
One Size Crinkle Bikini Set (Portofino Top, High-Waisted Bottoms)
$144$205marisandsol.comPros:
Delivers full coverage support during pregnancy without feeling restrictive
Transitions comfortably from bump to postpartum body changes
Adds a tailored, elevated look thanks to the tortoise shell hoop detail
Reduces the guesswork of buying separates in multiple sizes
The Portofino top pairs a tortoise shell hoop accent with high-waisted bottoms, giving this maternity bikini a more polished silhouette than a typical swim separate. The high waist offers extra bump coverage during pregnancy and gentle support in the postpartum weeks, making it a practical pick for moms who want coverage without sacrificing style. Feedback on the brand\'s one-size sets highlights how the crinkle fabric \"actually fits\" across a wider range of bodies than expected. Those who prefer a low-rise bottom will want to compare this against the brand\'s other waist option before buying.
Highlights:
- Two-piece set: Portofino hoop top with high-waisted bottoms
- One size fits maternity, postpartum, and beyond
- Tortoise shell hardware detail on the top
- Handmade in the UK in small batches
- Part of the current bikini edit alongside the Amalfi style
3
One Size Crinkle Bikini Set (Portofino Top, Low-Waisted Bottoms)
$144$205marisandsol.comPros:
Offers a lower-rise fit for those who prefer less coverage at the waist
Adapts through pregnancy without needing a size change
Keeps the same supportive four-way stretch as the brand\'s swimsuits
Works as a mix-and-match set with other Maris & Sol tops
This variation keeps the same Portofino top and tortoise shell hoop detail but swaps in low-waisted bottoms, giving shoppers a choice in rise without changing the top style. The lower waist suits moms further along in postpartum recovery or anyone who simply prefers that silhouette over a high-rise cut. Like the rest of the one-size crinkle range, it\'s built on four-way stretch fabric designed to move with the body\'s changes rather than fight them. Buyers note the fit \"genuinely\" adapts across sizes 2-16, though those wanting maximum tummy coverage may prefer the high-waisted version instead.
Highlights:
- Two-piece set: Portofino hoop top with low-waisted bottoms
- One size fits maternity, postpartum, and beyond
- Same tortoise shell hoop hardware as the high-waisted set
- Ethically handmade in England in small batches
- Nursing-friendly top construction
4
The Ultimate Daily Tote
$150marisandsol.comPros:
Keeps daily essentials organized without digging through one big compartment
Handles pool days, hospital bags, and everyday errands in one bag
Holds up to repeated daily use without losing shape
Adds a polished look that doesn\'t read as a typical diaper bag
Designed as a companion piece to the swimwear line, this tote is built for moms who need one bag that works from the pool deck to the school run. Its structured shape and functional layout are meant to replace the need for separate everyday and travel bags, a detail that matters for anyone juggling swim gear, snacks, and baby essentials at once. It suits mothers who want a tote that looks put-together rather than purely utilitarian. Shoppers who need a large weekend or overnight capacity may want to check the dimensions before buying, since it\'s positioned as a daily carry rather than a travel bag.
Highlights:
- Structured tote silhouette for daily use
- Designed to complement the swim and bikini collections
- Functional layout for everyday essentials
- Chic finish suited to both errands and outings
- Sold separately from the swimwear sale collection
Final Thoughts
Shoppers stocking up on maternity swimwear get the most value by pairing one full swimsuit with one bikini set, since both rely on the same one-size crinkle fabric and carry the same 14-day fit guarantee. Anyone who needs structured underwire support or a strictly true-to-size chart may want to review the sizing details closely before ordering, since the entire concept depends on stretch rather than fixed cup sizing. For everyday use beyond the pool, the tote rounds out the lineup as a practical add-on rather than a starting point.