San Sebastian One Piece

San Sebastian One Piece

The San Sebastian one piece is the perfect piece to wear if you want to look sexy and chic while being active. This piece will leave head turnings whether you are surfing, swimming, walking the beach, or poolside sipping on a cocktail.

-Side cut details

-Adjustable straps

-Built in under wire & light padding

-80% Nylon, 20% Spandex




Size Chart


    • Size
    • XS
    • S
    • M
    • L
    • Cup Size
    • 32-34A
    • 32-34B
    • 34-36B-C
    • 34-36C-D


    • Size
    • XS
    • S
    • M
    • L
    • Pant Size
    • 0-1
    • 2-4
    • 6-8
    • 10-12
    • Low Hip
    • 34-35
    • 36-37
    • 38-39
    • 40-41


  • Every bikini is satisfaction guaranteed or you may return the bikini (minus the $5 restocking fee per item) or exchange your bikini as long as you contact Issa de’ mar within 7 days of receiving your package.
  • All Returns must be in salable condition and items must be unworn, unwashed, clean and in sell-able condition. The panty liner must be in tact and all straps etc. must not be altered from original state.
  • Must have the original receipt or proof of online purchase if received as a gift.
  • Order # and Billing name must be on the Return Exchange Form
  • Any questions please email
  • Exchanges must be exchanged for current season
  • Sale items are non-exchange non-refundable
  • To return your bikini please download our Return/Exchange Form and follow the instructions listed.

Please note that you must wash or rinse your suits gently and line dry, we do our best to provide you with quality products but they are not indestructible.