The Jersey Devil’s connection to the beach is similar to most New Jersey natives. The beach is awesome, and it’s right there.
The Jersey Devil has a connection to fresh water. It is known to able to travel through the waterways that weave throughout the state of New Jersey. Using the waterways gives a solid map that matches up with known Jersey Devil connections.
Since it is largely believed the devil can take any human form it wants, it is safe to assume the devil would head to the beach during the summer. There are tons of people, easy to blend in.