I lost my fin, what do I do? ISLE Customer Support May 03, 2018 19:41 Updated Follow We offer replacement fins for all of our boards through the two links below: SUP Fins Replacement Fins If you have any question on which fin fits your board, please reach out to us at firstname.lastname@example.org and we'll be happy to help out! Related articles Can I attach a seat to my board? Can I use another electric pump other than ISLE's with your inflatables? Comments 0 comments Please sign in to leave a comment.