Get a dose of vitamin D at Zaimokuza Beach. After you've topped up your tan, hang around and watch the sky transform with colors as the sun slowly disappears.
You'll soon find out why this Kotsubo stretch of coastline is popular with travelers. If you're searching for more to do and see here, Hakkeijima Sea Paradise, Enoshima Aquarium, and Zushi Beach are in the area as well. They won't take you very long to get to from Zaimokuza Beach.