Cape Kannon is the first place where the western style lighthouse was placed. Current one is the 3rd one, and to get up the lighthouse for 200 yen to see great view of Tokyo Bay. In the park which is the entire cape, there are visitors center, restrooms and many hiking courses. Many ruins are still well preserved.
On the beach side, there is many place you can enjoy BBQ. So, many people visit this cape to enjoy great family activities. There are also Yokosuka museum, and kids park.