To get to the dike, first turn left immediately from the entrance to Enoshima. And after walking for a while, you will see the yacht harbor on your left, and after passing there, you will find a car park named Shonankou Rinkoudoro-Fuzoku. There are staircases at the back of the car park, and you can go up. You can have a panoramic view of the ocean from there. If the weather is nice, you can see the sunrise. This car park is open from 5am.