Coronado Island marine repair service at the Coronado Cays, CA 92118, providing boat engine repair, fiberglass work, bottom painting, and general watercraft maintenance. Boat Repair Coronado Cays serves local boaters with reliable, hands-on service near the island's southern marina community, alongside Dock Side Boat Repair at North Caribe Cay Boulevard. Call for estimates and scheduling. For marine insurance on your vessel, Crown Island Insurance at 1001 B Ave writes boat policies through multiple carriers.