🇺🇸 San Carlos, United States

San Carlos is a small city located in California, United States. It has a population of around 30,000 people. While it doesn't have any ports or shipyards, it is situated close to the San Francisco Bay, which offers opportunities for boating and sailing. The city also has a vibrant waterfront area with marinas and yacht clubs, making it a potentially interesting destination for seafarers and boating enthusiasts.