Prime Day is here, and with beach season in full swing, now is the perfect time to snag a new swimsuit at a deep discount. Amazon is offering substantial savings on a wide range of women's swimwear, from bikinis and tankinis to one-pieces and board shorts. We've curated a list of 17 top-rated styles, each with significant markdowns and glowing customer reviews. Whether you're planning a tropical vacation or a local pool day, these deals won't last long.
Best Tankini and One-Piece Deals
1. Slimming Tankini with Spaghetti Straps – 19% Off
This strappy tankini features a floral print top with tummy control, a shelf bra, and non-removable pads for shape and lift. Available in sizes XS-5XL. One reviewer raved: "This bathing suit is phenomenal. The fabric is thicker than cheaper suits, great quality, and the size chart is accurate." $33 at Amazon (regularly $41)
2. Long-Sleeve Cupshe Swimsuit with Cutout – 38% Off
This rashguard-style one-piece offers UPF 50+ protection, a plunging neckline, and a cutout design. Available in sizes XS-XL. A customer noted: "I’m a ginger and burn easily... I wore it in Hawaii for a week and got a lot of compliments." $34 at Amazon (regularly $55)
4. Amazon Essentials Scoop Neck One-Piece – 21% Off
A timeless scoop-neck design with full back coverage, soft breathable fabric, and removable cups. Sizes XS-6XL. Reviewer Chris Mayhew said: "Perfect basic one-piece. I loved it so much I bought a spare." $20 at Amazon (regularly $26)
5. Square Neck One-Piece with Ruching – 22% Off
Wide shoulder straps, a square neck, high back, and tummy control create a retro silhouette. Sizes S-XXL. Jenna shared: "I absolutely love the fit... the thick straps provided great coverage and stayed securely in place." $30 at Amazon (regularly $39)
7. V-Neck Ruffled One-Piece – 18% Off
Ruffles add whimsy, with a high-cut leg, moderate rear coverage, and a shelf bra with removable cups. Sizes XS-XXL. An Amazon customer wrote: "Much higher quality than expected. Pattern is lovely and material could be worn as a top with shorts." $25 at Amazon (regularly $30)
8. Roxy Long-Sleeved Surf Suit – 23% Off
UPF 50+ fabric protects skin during surfing, snorkeling, or paddling. Streamlined fit in sizes XS-XXL. Emily said: "Very flattering. I have an athletic build... this style makes me appear curvier." $54 at Amazon (regularly $70)
11. Speedo PowerFlex Full-Coverage Plus-Size Swimsuit – 33% Off
Ultra-durable Lycra fabric resists sagging and chlorine. Sizes 4-24. Dorian Douglas praised: "Lovely shaping... smoothing tummy panel. Worth every dime." $47 at Amazon (regularly $70)
13. Becca Crochet One-Piece Swimsuit – 48% Off
Plunging neckline, adjustable straps, and supportive fit for bigger busts. Sizes XS-XL. JJB exclaimed: "Just buy it! The best bathing suit... holds everything in nicely and hides my stomach." $67 at Amazon (regularly $128)
14. DKNY Bandeau One-Piece with Tummy Control – 34% Off
Wear strapless or with adjustable straps. Vintage silhouette with tummy control. Sizes XS-XXL. Donna Becker said: "The material and quality are amazing. Has a little tummy control, fit is perfect." $52 at Amazon (regularly $80)
17. Speedo One-Piece Swimsuit – 43% Off
Competitive suit with ultra-compressive fabric. Sizing 20-40; size up for non-competitive use. Giselle Morales noted: "It sucks everything in! It’s tight but NOT uncomfortable." $29 at Amazon (regularly $52)
Best Bikini and Two-Piece Deals
3. High-Cut Cheeky Bikini – 46% Off
Adjustable spaghetti straps, removable pads, and a U-wire bust. High-cut legs elongate the silhouette. Sizes XS-XL. Isla said: "I absolutely love this bathing suit! I’m a bigger chested girl and had no issues jumping in the pool." $23 at Amazon (regularly $43)
6. Cupshe Bikini with Stitch Detailing – 44% Off
Plunging V-neck top with adjustable back ties, high-waist bottoms, and removable cups. Sizes XS-XL. Matt M. wrote: "I usually spend hundreds on high-end swimwear, but this suit was under $40 and blew me away. The material is thick, buttery-soft." $28 at Amazon (regularly $50)
9. Blooming Jelly Bikini with Cutouts and Ties – 30% Off
Adjustable tie knot at bust and sides, cheeky high-cut bottoms, and criss-cross straps. Sizes XS-XXL. NJW said: "I have trouble finding suits that fit my Pear shape... This suit fits like a glove. I love it so much I now have 3 different colors." $23 at Amazon (regularly $33)
10. TYR Durafast One Diamondfit Bikini – 43% Off
Chlorine-resistant and UPF 50+ fabric, designed for racing and recreational swimming. Sizes XXS-XL. Jules A. said: "I’m currently six months pregnant and a medium fit great. My belly has room now." $43 at Amazon (regularly $75)
16. Tempt Me Two-Piece Tankini – 24% Off
Tankini top with scooped neckline, removable cups, and adjustable straps. Skirt-style bottoms with built-in shorts and side pockets. Sizes XXS-XXL and 18 Plus-24 Plus. An Amazon customer said: "Love this suit! I have a long torso and the top doesn't ride up." $35 at Amazon (regularly $46)
Best Swim Accessories and Mix-and-Match Options
12. Roxy 7-Inch Board Shorts – 36% Off
UPF-rated, quick-drying, with a soft drawstring elastic waist. Sizes XS-XXL. kcgrooves said: "I love these shorts. The cut fits me perfectly. I wear them hiking and in the water." $31 at Amazon (regularly $48)
15. Amazon Essentials Low-Rise Bikini Bottom – 30% Off
Classic black bottoms with full coverage and low-rise. Soft, breathable, quick-drying fabric. Sizes XS-XXL. Kris wrote: "Great quality and perfect fit. They are fairly low rise but have great coverage." $14 at Amazon (regularly $20)
