Trending Categories
Trending Brands
Whether you're going on vacation, heading to the beach for a day, or getting in some laps at the pool, you need a good swimsuit. Shop thredUP's selection of plus-size swimwear to find amazing items at up to 90% off estimated retail.
126 items
Sort by:
View Product: Lands' End Swimsuit Bottoms
Lands' End
Swimsuit Bottoms
Size 22 Plus
$23.99 $13.19 45% off with code HOTDEAL
62% off estimated retailView Product: Swimsuits for all Swimsuit Cover Up
Swimsuits for all
Swimsuit Cover Up
Size 22 Plus
$23.99 $12.00 50% off with code HOTDEAL
64% off estimated retailView Product: Lands' End Swimsuit Bottoms
Lands' End
Swimsuit Bottoms
Size 22 Plus
$20.99 $11.54 45% off with code HOTDEAL
67% off estimated retailView Product: Lands' End Swimsuit Cover Up
Lands' End
Swimsuit Cover Up
Size 22 Plus
$25.99 $13.00 50% off with code HOTDEAL
72% off estimated retailView Product: Swim by Cacique Swimsuit Bottoms
Swim by Cacique
Swimsuit Bottoms
Size 26 Plus
$22.99 $13.79 40% off with code HOTDEAL
54% off estimated retailView Product: Beach House Swimsuit Bottoms
Beach House
Swimsuit Bottoms
Size 22 Plus
$32.99 $23.09 30% off with code HOTDEAL
47% off estimated retailView Product: Swimsuits for all Swimsuit Bottoms
Swimsuits for all
Swimsuit Bottoms
Size 22 Plus
$23.99 $12.00 50% off with code HOTDEAL
47% off estimated retailView Product: Sea & Sand Beachwear One Piece Swimsuit
Sea & Sand Beachwear
One Piece Swimsuit
Size 22 Plus
$34.99 $20.99 40% off with code HOTDEAL
71% off estimated retailView Product: Unbranded Swimsuit Bottoms
Unbranded
Swimsuit Bottoms
Size 22 Plus
$15.99 $12.79 20% off with code HOTDEAL
48% off estimated retailView Product: Swimsuits for all Swimsuit Cover Up
Swimsuits for all
Swimsuit Cover Up
Size 22 Plus
$23.99 $12.00 50% off with code HOTDEAL
64% off estimated retailView Product: Ocean Dream Signature One Piece Swimsuit
Ocean Dream Signature
One Piece Swimsuit
Size 26 Plus
$30.99 $20.14 35% off with code HOTDEAL
51% off estimated retailView Product: Kona Sol One Piece Swimsuit
Kona Sol
One Piece Swimsuit
Size 22 Plus
$27.99 $18.19 35% off with code HOTDEAL
39% off estimated retailView Product: Swimsuits for all Swimsuit Bottoms
Swimsuits for all
Swimsuit Bottoms
Size 26 Plus
$16.99 $11.04 35% off with code HOTDEAL
63% off estimated retailView Product: GabiFresh x Swimsuits For All Swimsuit Bottoms
GabiFresh x Swimsuits For All
Swimsuit Bottoms
Size 22 Plus
$36.99 $20.34 45% off with code HOTDEAL
65% off estimated retailView Product: Tropical Escape Swimsuit Bottoms
Tropical Escape
Swimsuit Bottoms
Size 22 Plus
$19.99 $13.99 30% off with code HOTDEAL
50% off estimated retailView Product: Tropical Escape Swimsuit Top
Tropical Escape
Swimsuit Top
Size 22 Plus
$21.99 $15.39 30% off with code HOTDEAL
44% off estimated retailView Product: Swimsuits for all Swimsuit Bottoms
Swimsuits for all
Swimsuit Bottoms
Size 22 Plus
$18.99 $9.50 50% off with code HOTDEAL
57% off estimated retailView Product: Swim by Cacique Swimsuit Bottoms
Swim by Cacique
Swimsuit Bottoms
Size 26 Plus
$22.99 $13.79 40% off with code HOTDEAL
62% off estimated retailView Product: Swim by Cacique Swimsuit Cover Up
Swim by Cacique
Swimsuit Cover Up
Size 22 Plus
$35.99 $19.79 45% off with code HOTDEAL
61% off estimated retailView Product: Unbranded Swimsuit Bottoms
Unbranded
Swimsuit Bottoms
Size 22 Plus
$15.99 $12.79 20% off with code HOTDEAL
48% off estimated retailView Product: Robby Lens Swimwear One Piece Swimsuit
Robby Lens Swimwear
One Piece Swimsuit
Size 22 Plus
$28.99 $17.39 40% off with code HOTDEAL
50% off estimated retailView Product: Wave Zone Swimsuit Cover Up
Wave Zone
Swimsuit Cover Up
Size 22 Plus
$19.99 $13.99 30% off with code HOTDEAL
32% off estimated retailView Product: PrettyLittleThing Swimsuit Top
PrettyLittleThing
Swimsuit Top
Size 22 Plus
$12.99 $10.39 20% off with code HOTDEAL
65% off estimated retailView Product: Beach Native One Piece Swimsuit
Beach Native
One Piece Swimsuit
Size 26 Plus
$19.99 $12.99 35% off with code HOTDEAL
78% off estimated retailView Product: 24th & Ocean Swimsuit Bottoms
24th & Ocean
Swimsuit Bottoms
Size 22 Plus
$17.99 $13.49 25% off with code HOTDEAL
40% off estimated retailView Product: Garnet Hill One Piece Swimsuit
Garnet Hill
One Piece Swimsuit
Size 22 Plus
$42.99 $30.09 30% off with code HOTDEAL
63% off estimated retailView Product: Assorted Brands Swimsuit Top
Assorted Brands
Swimsuit Top
Size 26 Plus
$9.99 $7.99 20% off with code HOTDEAL
60% off estimated retailView Product: Esther Williams Swimsuit Top
Esther Williams
Swimsuit Top
Size 22 Plus
$16.99 $11.89 30% off with code HOTDEAL
66% off estimated retailView Product: Swimsuits for all Swimsuit Top
Swimsuits for all
Swimsuit Top
Size 22 Plus
$28.99 $11.60 60% off with code HOTDEAL
36% off estimated retailView Product: Anne Cole One Piece Swimsuit
Anne Cole
One Piece Swimsuit
Size 22 Plus
$40.99 $24.59 40% off with code HOTDEAL
56% off estimated retailView Product: Bleu Rod Beattie Swimsuit Bottoms
Bleu Rod Beattie
Swimsuit Bottoms
Size 22 Plus
$22.99 $13.79 40% off with code HOTDEAL
70% off estimated retailView Product: Bleu Rod Beattie Swimsuit Bottoms
Bleu Rod Beattie
Swimsuit Bottoms
Size 22 Plus
$23.99 $14.39 40% off with code HOTDEAL
69% off estimated retailView Product: Beach House Swimsuit Bottoms
Beach House
Swimsuit Bottoms
Size 22 Plus
$22.99 $14.94 35% off with code HOTDEAL
62% off estimated retailView Product: Swimsuits for all Swimsuit Bottoms
Swimsuits for all
Swimsuit Bottoms
Size 22 Plus
$17.99 $8.10 55% off with code HOTDEAL
60% off estimated retailView Product: Beach House Swimsuit Bottoms
Beach House
Swimsuit Bottoms
Size 22 Plus
$23.99 $15.59 35% off with code HOTDEAL
68% off estimated retailView Product: Lands' End One Piece Swimsuit
Lands' End
One Piece Swimsuit
Size 26 Plus
$35.99 $18.00 50% off with code HOTDEAL
69% off estimated retailView Product: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size 22 Plus
$22.99 $16.09 30% off with code HOTDEAL
50% off estimated retailView Product: Swim by Cacique Swimsuit Bottoms
Swim by Cacique
Swimsuit Bottoms
Size 26 Plus
$23.99 $13.19 45% off with code HOTDEAL
60% off estimated retailView Product: Lands' End Swimsuit Bottoms
Lands' End
Swimsuit Bottoms
Size 26 Plus
$33.99 $17.00 50% off with code HOTDEAL
56% off estimated retailView Product: Swimsuits for all Swimsuit Bottoms
Swimsuits for all
Swimsuit Bottoms
Size 22 Plus
$28.99 $10.15 65% off with code HOTDEAL
57% off estimated retailView Product: Swim by Cacique Swimsuit Top
Swim by Cacique
Swimsuit Top
Size 26 Plus
$28.99 $14.50 50% off with code HOTDEAL
63% off estimated retailView Product: Unbranded Swimsuit Bottoms
Unbranded
Swimsuit Bottoms
Size 22 Plus
$16.99 $12.74 25% off with code HOTDEAL
44% off estimated retailView Product: La Blanca Swimsuit Bottoms
La Blanca
Swimsuit Bottoms
Size 22 Plus
$17.99 $12.59 30% off with code HOTDEAL
60% off estimated retailView Product: Beach House Swimsuit Bottoms
Beach House
Swimsuit Bottoms
Size 22 Plus
$32.99 $21.44 35% off with code HOTDEAL
47% off estimated retailView Product: Swim by Cacique Swimsuit Bottoms
Swim by Cacique
Swimsuit Bottoms
Size 22 Plus
$28.99 $11.60 60% off with code HOTDEAL
52% off estimated retailView Product: Assorted Brands Swimsuit Bottoms
Assorted Brands
Swimsuit Bottoms
Size 22 Plus
$15.99 $9.59 40% off with code HOTDEAL
48% off estimated retailView Product: Peyton & Parker Swimsuit Bottoms
Peyton & Parker
Swimsuit Bottoms
Size 22 Plus
$13.99 $10.49 25% off with code HOTDEAL
52% off estimated retailView Product: Swim by Cacique Swimsuit Bottoms
Swim by Cacique
Swimsuit Bottoms
Size 22 Plus
$30.99 $12.40 60% off with code HOTDEAL
51% off estimated retailView Product: Swimsuits for all Swimsuit Bottoms
Swimsuits for all
Swimsuit Bottoms
Size 22 Plus
$21.99 $11.00 50% off with code HOTDEAL
52% off estimated retailView Product: Ruby Ribbon One Piece Swimsuit
Ruby Ribbon
One Piece Swimsuit
Size 22 Plus
$30.99 $17.04 45% off with code HOTDEAL
60% off estimated retailView Product: Swimsuits for all Swimsuit Bottoms
Swimsuits for all
Swimsuit Bottoms
Size 22 Plus
$21.99 $11.00 50% off with code HOTDEAL
52% off estimated retailView Product: Unbranded Swimsuit Bottoms
Unbranded
Swimsuit Bottoms
Size 22 Plus
$16.99 $11.04 35% off with code HOTDEAL
44% off estimated retailView Product: Swim by Cacique Swimsuit Bottoms
Swim by Cacique
Swimsuit Bottoms
Size 22 Plus
$26.99 $10.80 60% off with code HOTDEAL
56% off estimated retailView Product: Unbranded Swimsuit Bottoms
Unbranded
Swimsuit Bottoms
Size 22 Plus
$16.99 $11.04 35% off with code HOTDEAL
44% off estimated retailView Product: Swim by Cacique Swimsuit Cover Up
Swim by Cacique
Swimsuit Cover Up
Size 26 Plus
$23.99 $9.60 60% off with code HOTDEAL
73% off estimated retailView Product: Lands' End Swimsuit Cover Up
Lands' End
Swimsuit Cover Up
Size 22 Plus
$35.99 $16.20 55% off with code HOTDEAL
69% off estimated retailView Product: Wild Isles Swimsuit Bottoms
Wild Isles
Swimsuit Bottoms
Size 22 Plus
$30.99 $15.50 50% off with code HOTDEAL
68% off estimated retailView Product: YBL Your Best Look Swimsuit Top
YBL Your Best Look
Swimsuit Top
Size 22 Plus
$17.99 $9.89 45% off with code HOTDEAL
32% off estimated retailView Product: Liz Claiborne Swimsuit Bottoms
Liz Claiborne
Swimsuit Bottoms
Size 22 Plus
$17.99 $9.89 45% off with code HOTDEAL
63% off estimated retailView Product: In'Voland One Piece Swimsuit
In'Voland
One Piece Swimsuit
Size 22 Plus
$22.99 $8.05 65% off with code HOTDEAL
62% off estimated retailView Product: Swim by Cacique Swimsuit Bottoms
Swim by Cacique
Swimsuit Bottoms
Size 22 Plus
$22.99 $6.90 70% off with code HOTDEAL
68% off estimated retailView Product: BackFlip's Swimsuit Bottoms
BackFlip's
Swimsuit Bottoms
Size 22 Plus
$12.99 $7.14 45% off with code HOTDEAL
56% off estimated retail