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So, today we are gonna talk about it: plus size one piece swimsuits are not the boring, cover-everything option they used to be. The one-piece has had a full fashion moment, and the plus size market is delivering styles that are bold, sexy, and absolutely worth showing off.
We’re talking cutouts in all the right places, plunging necklines, metallic finishes, animal prints, ruffled one-shoulders, and high-leg silhouettes that make a statement without saying a word. The days of the one-piece being a “safe” choice are officially over.
It’s #TCFSwim Week and we’ve pulled together some of our favorite plus size one piece swimsuits across a range of styles, sizes, and price points, because everyone deserves to find the one that makes them feel like they own the pool deck.
Whether you’re poolside, oceanside, or lakeside, you deserve a bathing suit that makes you feel like the main character. Ready? Let’s get into it!
Plus Size One Piece Swimsuits Worth Every Penny
Ready to hit the beach or the pool? Looking for the perfect plus size one piece bathing suit? We've got over 20 plus size one piece swimsuits you should be rocking on the beach this spring into summer!
This corset-inspired one-piece transforms poolside dressing with delicate lace detailing. Underwire support and smooth-stretch fabric create a refined, sculpted finish.
Up to a size 28
Elevate your beachwear with our SPLASH Aqua Turquoise Swimsuit, a perfect blend of elegance and contemporary style. The swimsuit's enchanting turquoise shade evokes the serenity of ocean waves, complementing your poolside look.
Up to a 26
Shop our Cut Out One Piece Swimsuit featuring a flattering cut out and adjustable shoulder straps. Inclusive sizes XS-6X with regular and long torso options.
"The one that started it all, gals! This bathing bombshell’s dream plus size swimsuit from Unique Vintage is a life-sized reproduction of Barbie’s™ original 1959 Black & White Stripe Bathing Suit. Boasting a fabulous sweetheart neckline and cheeky black and white chevron stripes, this striking one piece swimsuit features two removable and adjustable straps for a convertible neckline so you can sun in style at your whim."
Up to a 4X
Turn heads in this strapless-optional one-piece swimsuit, styled with a draped bodice & cutout for modern impact. Removable straps and soft-stretch fabric let you wear it your way.
Up to a size 28
Disney Mickey & Friends Collection by Unique Vintage Plus Size Surfing Mickey Wendy Swimsuit
Fun in the sun! This playful swimsuit from Unique Vintage in collaboration with Disney’s Mickey & Friends, is an adorable silhouette for poolside fun. Crafted in a aqua blue print featuring Mickey Mouse and friends laying on their surfboards, the Wendy Swimsuit is a fabulous one piece creation!
Up to a 3X
"Discover your perfect beach-to-pool essential—Smart Sculpt™ Ruched U-Wire Cut Out Swimsuit. Crafted with a sleek U-ring for a beautifully lifted shape and integrated tummy control for a smooth silhouette, this swimsuit features comfortable, wide straps and a figure-flattering fit. It’s the perfect fusion of function and fashion—made for every sunny escape where you deserve to shine."
Up to a 3X
"The Shoreline One Piece II is a versatile swimsuit with cut-out details, a reversible design, a soft-knotted front, and a sleek clasp closure. Made from our biodegradable fabric, it can also be worn as a bodysuit paired with our matching Sunrise Pant, making it perfect for transitioning from the beach to dinner and bey."
Up to a 5X
"Dive into elegance with our Goldie one-piece, a classic stunner designed to make you shine. This swimsuit boasts two adjustable ties on both shoulders, forming an adorable bow in the front. The bottoms are cheeky with a Brazilian cut, giving your curves the attention they deserve."
Up to a 6X
Up to size 6X
"The Mila One-Piece features a plunging neckline in high-shine fabric, finished with a bold O-ring detail. Soft gathering adds shape, with an adjustable halter tie for a customizable fit."
Up to a 4X
Up to a size 26
"Our fan-loved swim dress, now with standout design details so you love the swim you're in -- custom-fit underwire support and so many different ways to wear (go strapless or with the convertible straps)."
Up to a 46 DDD
Up to a size 6X
Up to a size 26
Up to a 3X
Up to a size 3X
Up to a size 5X
"Leave room in your luggage for this paradise-inspired one-piece. This suit has ruched details, cut-out sides, and comes in a romantic floral print. The asymmetric shoulder strap and S-hook back closure make this sweet swimsuit adjustable to your perfect fit."
Up to a 4X.
Up to a 3X
"Check out our Margaret One Piece Swim now. High neck with allover crochet body. Removable pads."
Up to a 4X.
What Makes a Great Plus Size One Piece Swimsuit?
Beyond the style, there are a few things worth keeping in mind and specific tips when shopping for the perfect plus size one piece swimsuits for you.
Look for good lining. A well-lined suit keeps everything in place and prevents any sheerness when wet, especially important in lighter colors.
Check the fabric content. Suits with a higher percentage of nylon or polyester mixed with elastane hold their shape better, dry faster, and last longer, especially if you’re swimming regularly.
Consider your activity level. If you’re actually swimming laps or playing in the waves, look for secure straps, racerback options, or suits with snap closures. If you’re poolside-only, you have way more freedom to prioritize style.
Size up when in doubt. Plus size one piece swimsuits that are too snug in the torso are uncomfortable and unflattering. When between sizes, always size up, a suit that fits comfortably lets you actually enjoy your day.
Know your size range. Always check each brand’s specific size chart before purchasing. Sizing varies significantly across brands, and a size chart is your best friend when shopping online.
Which Plus Size One Piece Is Calling Your Name?
Whether you’re drawn to metallics, bold prints, cutouts, or classic black, the best plus size one piece swimsuits are the one that makes you feel like yourself: confident, comfortable, and completely done with settling. Drop your favorites in the comments and let us know which one you’re adding to cart this swim season!
Want more plus size swim inspiration? Browse all of our plus size swimwear content here!
This article, The Best Plus Size One Piece Swimsuits to Shop Right Now first appeared on The Curvy Fashionista and is written by Katie Bradshaw.
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