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Shop a vast selection of secondhand women's swimwear from Gap, including items on sale. All up to 90% off estimated retail. Discover more like-new clothes and accessories at thredUP!

GapRemove filter23" WaistRemove filter
75 items
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    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size Med
    $24.99
    64% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size Med
    $24.99
    64% off estimated retail
    Gap One Piece Swimsuit (view 2)Gap One Piece Swimsuit (view 1)
    View Product: Gap One Piece Swimsuit

    Gap

    One Piece Swimsuit
    Size Med
    $27.99
    65% off estimated retail
    Gap One Piece Swimsuit (view 2)Gap One Piece Swimsuit (view 1)
    View Product: Gap One Piece Swimsuit

    Gap

    One Piece Swimsuit
    Size Sm
    $23.99
    70% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Gap One Piece Swimsuit (view 2)Gap One Piece Swimsuit (view 1)
    View Product: Gap One Piece Swimsuit

    Gap

    One Piece Swimsuit
    Size Med
    $29.99
    62% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size Med
    $27.99 $16.79 40% off with code HOTDEAL
    60% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size Sm
    $27.99 $16.79 40% off with code HOTDEAL
    60% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size Med
    $22.99 $13.79 40% off with code HOTDEAL
    67% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size Sm
    $22.99 $13.79 40% off with code HOTDEAL
    67% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Sm
    $18.99 $12.34 35% off with code HOTDEAL
    65% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Sm
    $25.99 $16.89 35% off with code HOTDEAL
    52% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size XL
    $22.99 $14.94 35% off with code HOTDEAL
    72% off estimated retail
    Gap One Piece Swimsuit (view 2)Gap One Piece Swimsuit (view 1)
    View Product: Gap One Piece Swimsuit

    Gap

    One Piece Swimsuit
    Size Sm
    $28.99 $15.94 45% off with code HOTDEAL
    63% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Med
    $25.99 $14.29 45% off with code HOTDEAL
    52% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Med
    $25.99 $14.29 45% off with code HOTDEAL
    52% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Med
    $26.99 $14.84 45% off with code HOTDEAL
    52% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size Med
    $27.99 $15.39 45% off with code HOTDEAL
    60% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size Med
    $21.99 $13.19 40% off with code HOTDEAL
    65% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size Sm
    $27.99 $15.39 45% off with code HOTDEAL
    60% off estimated retail
    Gap Board Shorts (view 2)Gap Board Shorts (view 1)
    View Product: Gap Board Shorts

    Gap

    Board Shorts
    Size 00
    $10.99 $8.24 25% off with code HOTDEAL
    71% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size XS
    $21.99 $15.39 30% off with code HOTDEAL
    68% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Lg
    $23.99 $14.39 40% off with code HOTDEAL
    58% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size XS
    $25.99 $16.89 35% off with code HOTDEAL
    62% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size XL
    $31.99 $20.79 35% off with code HOTDEAL
    52% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Med
    $27.99 $19.59 30% off with code HOTDEAL
    52% off estimated retail
    Gap One Piece Swimsuit (view 2)Gap One Piece Swimsuit (view 1)
    View Product: Gap One Piece Swimsuit

    Gap

    One Piece Swimsuit
    Size Sm
    $31.99 $22.39 30% off with code HOTDEAL
    63% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Lg
    $27.99 $19.59 30% off with code HOTDEAL
    52% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size Med
    $21.99 $15.39 30% off with code HOTDEAL
    71% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Med
    $27.99 $18.19 35% off with code HOTDEAL
    52% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Med
    $27.99 $18.19 35% off with code HOTDEAL
    52% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size Med
    $27.99 $18.19 35% off with code HOTDEAL
    62% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Sm
    $10.99 $8.79 20% off with code HOTDEAL
    81% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size Med
    $26.99 $17.54 35% off with code HOTDEAL
    64% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Med
    $23.99 $15.59 35% off with code HOTDEAL
    60% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)Price Drop
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size XS
    $22.99 $17.24 25% off with code HOTDEAL
    70% off estimated retail
    Gap One Piece Swimsuit (view 2)Gap One Piece Swimsuit (view 1)Price Drop
    View Product: Gap One Piece Swimsuit

    Gap

    One Piece Swimsuit
    Size Sm
    $31.99 $16.00 50% off with code HOTDEAL
    63% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)Price Drop
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Sm
    $21.99 $12.09 45% off with code HOTDEAL
    63% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)Price Drop
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size Sm
    $28.99 $14.50 50% off with code HOTDEAL
    62% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)Price Drop
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size Sm
    $23.99 $10.80 55% off with code HOTDEAL
    70% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)Price Drop
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size XS
    $25.99 $14.29 45% off with code HOTDEAL
    67% off estimated retail
    Gap One Piece Swimsuit (view 2)Gap One Piece Swimsuit (view 1)Price Drop
    View Product: Gap One Piece Swimsuit

    Gap

    One Piece Swimsuit
    Size Sm
    $29.99 $13.50 55% off with code HOTDEAL
    68% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)Price Drop
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size Sm
    $21.99 $11.00 50% off with code HOTDEAL
    72% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)Price Drop
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size Med
    $22.99 $10.35 55% off with code HOTDEAL
    74% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)Price Drop
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Sm
    $25.99 $11.70 55% off with code HOTDEAL
    63% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)Price Drop
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Lg
    $17.99 $9.89 45% off with code HOTDEAL
    72% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)Price Drop
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Lg
    $23.99 $14.39 40% off with code HOTDEAL
    80% off estimated retail
    Gap One Piece Swimsuit (view 2)Gap One Piece Swimsuit (view 1)Price Drop
    View Product: Gap One Piece Swimsuit

    Gap

    One Piece Swimsuit
    Size XS
    $21.99 $12.09 45% off with code HOTDEAL
    78% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)Price Drop
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Med
    $16.99 $8.50 50% off with code HOTDEAL
    76% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)Price Drop
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size Sm
    $17.99 $9.89 45% off with code HOTDEAL
    81% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)Price Drop
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size XL
    $19.99 $9.00 55% off with code HOTDEAL
    72% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)Price Drop
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size Sm
    $17.99 $9.89 45% off with code HOTDEAL
    81% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)Price Drop
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size Med
    $16.99 $9.34 45% off with code HOTDEAL
    82% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)Price Drop
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Med
    $17.99 $9.89 45% off with code HOTDEAL
    80% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)Price Drop
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size Sm
    $19.99 $10.99 45% off with code HOTDEAL
    82% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)Price Drop
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Sm
    $17.99 $9.89 45% off with code HOTDEAL
    78% off estimated retail
    Gap Swimsuit Bottom (view 2)Gap Swimsuit Bottom (view 1)Price Drop
    View Product: Gap Swimsuit Bottom

    Gap

    Swimsuit Bottom
    Size Med
    $13.99 $7.69 45% off with code HOTDEAL
    80% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)Price Drop
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Med
    $18.99 $9.50 50% off with code HOTDEAL
    78% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)Price Drop
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Med
    $16.99 $9.34 45% off with code HOTDEAL
    80% off estimated retail
    Gap One Piece Swimsuit (view 2)Gap One Piece Swimsuit (view 1)Price Drop
    View Product: Gap One Piece Swimsuit

    Gap

    One Piece Swimsuit
    Size Lg
    $18.99 $10.44 45% off with code HOTDEAL
    85% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)Price Drop
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size Med
    $17.99 $9.89 45% off with code HOTDEAL
    84% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)Price Drop
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size Lg
    $15.99 $9.59 40% off with code HOTDEAL
    85% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)Price Drop
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size Sm
    $17.99 $10.79 40% off with code HOTDEAL
    85% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)Price Drop
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Med
    $13.99 $7.69 45% off with code HOTDEAL
    81% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)Price Drop
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size XL
    $15.99 $8.79 45% off with code HOTDEAL
    85% off estimated retail
    Gap Swimsuit Cover Up (view 2)Gap Swimsuit Cover Up (view 1)Price Drop
    View Product: Gap Swimsuit Cover Up

    Gap

    Swimsuit Cover Up
    Size Sm
    $12.99 $5.20 60% off with code HOTDEAL
    81% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)Price Drop
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Med
    $13.99 $8.39 40% off with code HOTDEAL
    83% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)Price Drop
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Sm
    $14.24 $7.83 45% off with code HOTDEAL
    75% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)Price Drop
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Sm
    $13.24 $7.94 40% off with code HOTDEAL
    77% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)Price Drop
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size Lg
    $14.24 $8.54 40% off with code HOTDEAL
    76% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)Price Drop
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Sm
    $12.24 $7.34 40% off with code HOTDEAL
    77% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)Price Drop
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size XS
    $12.24 $7.34 40% off with code HOTDEAL
    77% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)Price Drop
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size Sm
    $15.24 $9.14 40% off with code HOTDEAL
    79% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)Price Drop
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Lg
    $9.99 $5.99 40% off with code HOTDEAL
    75% off estimated retail
    Gap Swimsuit Top (view 2)Gap Swimsuit Top (view 1)Price Drop
    View Product: Gap Swimsuit Top

    Gap

    Swimsuit Top
    Size Sm
    $13.24 $7.94 40% off with code HOTDEAL
    77% off estimated retail
    Gap Swimsuit Bottoms (view 2)Gap Swimsuit Bottoms (view 1)Price Drop
    View Product: Gap Swimsuit Bottoms

    Gap

    Swimsuit Bottoms
    Size Med
    $8.99 $5.39 40% off with code HOTDEAL
    78% off estimated retail
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