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Dive into a world of confidence and style with our stunning collection of plus size plunge swimwear. Designed to celebrate your curves, these swimsuits offer the perfect blend of bold design and flattering fit, ensuring you feel fabulous whether lounging by the pool or catching waves at the beach. Each piece is crafted to enhance your silhouette with thoughtful detailing and supportive materials that move with you. Discover versatile swimwear options that transition effortlessly from sun-soaked afternoons to evening beachside strolls, all while exuding elegance and ease. Embrace the freedom to express your unique style with swimwear that complements your vibrant personality and lifestyle.

Best Seller

Ruched Twist Front One Piece Swimsuit
by Swimsuits For All

A black one-piece swimsuit with ruched details, twist-front neckline, and UPF 50 sun protection.

~~$104.00~~

From $72.80
Save up to $31 (30%)

What customers like:
Quality fabric Flattering fit Comfortable wear Supportive design True to size
Best Seller

2-Piece Swim Skirtini Set
by Swim 365

A stylish black swim skirtini set with UPF 50 protection, featuring a V-neck top and A-line skirt.

~~$106.99~~

From $83.99
Save up to $23 (21%)

What customers like:
Versatile style Flattering design True to size Durable material Comfortable fit
Best Seller

Tie Front V-Neck Swimdress
by Swimsuits For All

A gold swimdress with tummy control and UPF 50 protection, featuring a tie-front V-neck.

~~$120.00~~

From $96.00
Save up to $24 (20%)

What customers like:
Flattering fit Good coverage Stylish design Comfortable material True to size
Best Seller

V-Neck One Piece Swimsuit
by Swimsuits For All

A black one-piece swimsuit with tummy control, adjustable straps, and UPF 50 sun protection.

~~$104.00~~

From $72.80
Save up to $31 (30%)

What customers like:
Flattering fit Comfortable design Confidence-boosting features Quality material Adjustable straps
Best Seller

Crochet Side Slit V-Neck Swimdress
by Swimsuits For All

A stylish black swimdress with a crochet V-neck overlay and built-in tummy control for beach elegance.

~~$120.00~~

From $48.00
Save up to $72 (60%)

What customers like:
Flattering fit Quality construction Stylish design Good coverage Comfortable material
Best Seller

Loop Strap Two-Piece Swim Dress
by Swim 365

A stylish V-neck swim dress with double-loop straps, tummy control, and UPF 50 protection.

~~$120.99~~

From $39.99
Save up to $81 (67%)

What customers like:
Quick-drying material Good coverage Flattering design Stylish patterns Comfortable fit
Best Seller

Lattice Plunge One Piece Swimsuit
by Swimsuits For All

A black one-piece swimsuit with a plunging V-neckline, tummy control, and UPF 50 protection.

~~$125.00~~

From $31.25
Save up to $94 (75%)

What customers like:
Quality fabric Flattering fit Comfortable design True to size Adjustable straps
Best Seller

Twist Front V-Neck Swimdress
by Swimsuits For All

A vibrant purple and pink swimdress with UPF 50 protection, adjustable straps, and tummy control.

~~$120.00~~

From $72.00
Save up to $48 (40%)

What customers like:
High-quality material Effective tummy control Flattering fit Stylish and colorful design Comfortable and supportive
Best Seller

Lace Up One Piece Swimsuit
by Swimsuits For All

A black one-piece swimsuit with a plunging V-neckline, lace-up detail, and tummy-control lining.

~~$104.00~~

From $26.00
Save up to $78 (75%)

What customers like:
Flattering fit Adjustable fit Sexy design Quality material Tummy control
Best Seller

Handkerchief-Hem Two-Piece Swim Dress
by Swim 365

A stylish two-piece swim dress with a handkerchief hem, tummy control, and UPF 50 protection.

~~$112.99~~

From $88.79
Save up to $24 (21%)

What customers like:
Flattering design Great coverage Stylish appearance Comfortable fit Adjustable straps
A-List Plunge One Piece Swimsuit
by Swimsuits For All

A black one-piece swimsuit with a plunging V-neckline and tummy-smoothing Power Mesh lining.

~~$134.00~~

From $14.98
Save up to $119 (89%)

What customers like:
High-quality material Adjustable features Sexy yet covered design Flattering fit Comfortable and supportive
Plunge One Piece Swimsuit
by Swimsuits For All

A black one-piece swimsuit with a plunging V-neckline, tummy control, and UPF 50 protection.

~~$115.00~~

From $57.50
Save up to $58 (50%)

What customers like:
Flattering fit High quality material Comfortable wear Supportive design Tummy control
Lace Plunge One Piece Swimsuit
by Swimsuits For All

A black lace one-piece swimsuit with tummy control, adjustable straps, and UPF 50 sun protection.

~~$104.00~~

From $26.00
Save up to $78 (75%)

What customers like:
Flattering fit Good coverage Sexy design Quality material Adjustable straps
Cut Out One Piece Swimsuit
by Swimsuits For All

A black one-piece swimsuit with lace-up sides and a plunging V-neckline for customizable coverage.

~~$134.00~~

From $19.98
Save up to $114 (85%)

What customers like:
Flattering fit Comfortable wear Supportive design Stylish and sexy High-quality fabric
Plunge Tankini Top
by Swimsuits For All

A black tankini top with a plunging V-neckline, wire-free cups, and UPF 50 sun protection.

~~$94.00~~

From $23.50
Save up to $71 (75%)

What customers like:
Flattering fit Adjustable length Sexy appearance Supportive design Great color
Two-Piece Ombré Swim Dress
by Swim 365

A stylish ombré swim dress with tummy control, UPF 50 protection, and adjustable straps.

~~$105.99~~

From $42.40
Save up to $64 (60%)

What customers like:
Good coverage Flattering design Convenient two-piece Beautiful color Comfortable fit
Best Seller

Cut Out Mesh Underwire One Piece Swimsuit
by Swimsuits For All

A black one-piece swimsuit with mesh cutouts, underwire support, and tummy-control lining for a flattering fit.

~~$125.00~~

From $31.25
Save up to $94 (75%)

What customers like:
High quality Flattering fit Good support Comfortable wear Sexy design
Best Seller

Shirred Underwire One Piece Swimsuit
by Swimsuits For All

A deep V-neck swimsuit with shirred bodice, underwire support, and UPF 50 sun protection.

~~$115.00~~

From $80.50
Save up to $35 (30%)

What customers like:
Flattering and slimming fit Comfortable and durable Excellent underwire support Stylish design with tummy control Vibrant and attractive colors
Best Seller

Tie Front Cup Sized Underwire One Piece Swimsuit
by Swimsuits For All

A shimmery black one-piece swimsuit with underwire support, tummy control, and UPF 50 protection.

~~$156.00~~

From $29.98
Save up to $126 (81%)

What customers like:
Great fit Flattering design True to size High-quality fabric Supportive cups
Best Seller

Adjustable Ruched Swimdress
by Swimsuits For All

An elegant swimdress in nylon/spandex with a plunging neckline, adjustable straps, and UPF 50 protection.

~~$120.00~~

From $60.00
Save up to $60 (50%)

What customers like:
Vibrant color High quality fabric Flattering fit Comfortable and true to size Adjustable and versatile
Best Seller

Cup Sized Chiffon Sleeve One Piece Swimsuit
by Swimsuits For All

A stylish one-piece swimsuit with long chiffon sleeves, tummy control, and customizable cup sizes.

~~$148.00~~

From $19.98
Save up to $128 (87%)

What customers like:
Provides good coverage and support Flattering and confidence-boosting fit Beautiful color options and accuracy High quality material and construction Stylish and unique design
Best Seller

Halter Cutout One Piece
by Swimsuits For All

A stylish halter one-piece with tummy control, UPF 50 protection, and cheeky bottom coverage.

~~$148.00~~

From $29.98
Save up to $118 (80%)
Best Seller

Cup Sized Mesh Underwire One Piece Swimsuit
by Swimsuits For All

A flattering one-piece swimsuit with underwire support, sheer mesh accents, and adjustable back straps.

~~$125.00~~

From $62.50
Save up to $63 (50%)
Grenada Underwire 1 Piece - emerald
by City Chic

An emerald green swimsuit with molded cups, underwire support, and a stylish cut-out back.

~~$109.00~~

From $76.30
Save up to $33 (30%)

Plus Size Plunge Swimwear

When it comes to making the most of summer, nothing feels quite as empowering as stepping out in a plus size plunge swimsuit that’s designed with your curves in mind. Whether you’re planning a sun-soaked getaway, lounging poolside with friends, or simply looking to refresh your swimwear collection, plunge styles offer a unique blend of confidence and sophistication. The deep neckline creates a flattering silhouette that celebrates your shape, while thoughtful details like supportive cups, adjustable straps, and smoothing panels ensure you feel as comfortable as you do stylish. Many women appreciate the freedom a plunge style brings—embracing the season’s warmth, feeling the sun on their skin, and moving with ease from the beach to a backyard barbecue. For some, a plus size plunge swimsuit is a treat for themselves, a way to celebrate a milestone or embrace a new chapter. For others, it makes a thoughtful and uplifting gift for a friend, sister, or daughter who deserves to feel beautiful and seen. No matter the occasion, these swimsuits are crafted to help you feel your best, offering a confidence boost that lasts long after you’ve left the water.

Choosing the right plunge swimwear is about more than just style; it’s about finding a piece that fits seamlessly into your lifestyle. Roaman’s swimwear is designed with real women in mind, focusing on both comfort and versatility. Look for features that matter most to you—whether that’s full bust support, tummy control, or quick-dry fabric that keeps up with your active days. Plunge swimsuits can be effortlessly paired with breezy cover-ups and wide-brimmed hats for a chic resort-ready ensemble, or dressed down with simple sandals and a tote for a casual day at the lake. The versatility extends beyond the beach; many women find themselves reaching for their favorite plunge suit as a layering piece under a sheer tunic or kimono, taking swimwear from sun to sunset with ease. The beauty of these styles lies in their adaptability—perfect for vacations, impromptu pool parties, or simply enjoying a quiet moment in your backyard. If you’re interested in exploring other flattering necklines, you might also enjoy our Plus Size High Neck Swimwear collection, which offers a different take on supportive, stylish swim options.

Summer is the season to embrace color, movement, and the joy of being outdoors, and a plus size plunge swimsuit from Roaman’s helps you do just that. With thoughtful tailoring and a focus on quality, these swimsuits are made to last—standing up to sun, saltwater, and countless washes without losing their shape or vibrant hues. As you shop, consider how your new swimwear will fit into your routine: Will it be your go-to for morning laps, your statement piece for a tropical vacation, or the suit you slip into for a little self-care by the pool? Whatever your plans, investing in a well-made plunge swimsuit means you’re choosing more than just a seasonal trend; you’re curating a wardrobe that supports your lifestyle, boosts your confidence, and celebrates your individuality. Roaman’s is committed to making every woman feel seen and supported, with swimwear that fits beautifully, flatters effortlessly, and adapts to every moment of your summer.