Beginning in 1965, Naarai was developed as a local port by building wharves, breakwaters, and coastal roads. At present, a marina is under construction to develop the coast's potential as a recreation area. Tateyama Port Tateyama Port is located at the southern tip of the Boso Peninsula, at the mouth of Tokyo Bay. A natural harbor, it has long flourished as a port for supplying Tokyo's fish markets. Nowadays it handles primarily sand and gravel.
Work is currently underway to build new facilities, including an earthquake resistant wharf.