Mariners Watch Villas For Sale Kiawah Island SC | Beachfront Condos for sale Mariners Watch on Kiawah Island SC | Kiawah Island Villas. These units are nice, but small and their listing prices start in the in the low $200’s for under 1000 sq ft. These units have an open floor plan where the kitchen, dining, and living room are all open to one another, and only the bedroom and deck/patio are separated. The Mariner’s Watch condos are located in East Beach village. View all the condos, real estate, villas, oceanfront, waterfront properties for sale on Kiawah Island including Mariners Watch. Before buying you should know the fees of ownership on Kiawah Island.