American Diving Marine Salvage is Sapphire South Padre Luxury Residences's top competitor. American Diving Marine Salvage is headquartered in Padre Island, Texas, and was founded in 1985. Like Sapphire South Padre Luxury Residences, American Diving Marine Salvage also operates in the Real Estate & Construction field. American Diving Marine Salvage generates 37% the revenue of Sapphire South Padre Luxury Residences.