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
+1 (345) 916-3055 / +1 (345) 947-2649
monika.snow@hotmail.com
For board repair, you can either buy some epoxy and sandpaper from one of the hardware stores, and do-it-yourself, or for a larger more professional job, give Mike at Compass Marine a call to see if he can help you out.
Compass Marine Ltd.
147A Dorcy Drive
Grand Cayman
Cayman Islands
+1 (345) 916-0660
http://caymanboats.com