isthmus sailboards offers windsurfing boards, wetsuits, harnesses, and all windsurfing gear accessories. windsurfing boards by jp-australia, starboard, bic, windsurfing sails by ezzy sails, sailworks sails, rrd, exocet and neil pryde. windsurfing masts by fiberspar and more. we are the windsurfing specialists from learning to windsurf to kids windsurfing gear to expert gear.