Dragon Bay Sailing & Watersports Club offers beginner to intermediate windsurfing lessons and gear rental at the North Sound.
Find out more at https://www.dragonbaysailing.ky
Kitesurf Cayman offers beginner to intermediate windsurfing lessons and gear rental at Barkers Beach in West Bay.
Find out more at https://www.kitesurfcayman.com
Waterman Blue Wave may have some windsurfing kit in stock. They are dealers of some of the well known brands, and can special order if you ask.
There is second hand kit around for sale. Best to check on eCayTrade or Facebook Marketplace to see whats for sale.
Screws, nuts, bolts and other hardware can be found at A.L.Thompsons, Parkers or Harbour House Marina.
For sail repair, Monica at Windward Sailing & Canvas will be able to help you out depending on the damage. Remember to remove your battens before dropping your sails off!
Windward Sailing & Canvas
Unit #4, Dorcy Place (next to Subway)
Dorcy Drive, Industrial Park
Grand Cayman
Cayman Islands
For board repair, you can either buy some epoxy and sandpaper from one of the hardware stores, and DIY, or for a larger more professional job, contact Compass Marine to see if they can help you out.
Compass Marine Ltd.
https://compassmarine.ky