Ocean Town is a town within Delmarva on Earth. According to the welcome sign, the city was once a victim of a massive fire, but is reconstructed fully as of "Out Of Dodge".
When Greg Universe is unable to go to the Mike Krol concert in Ocean Town, Spike, Amethyst, Steven Universe, and Connie Maheswaran head off to the town from Beach City. Sabina was also going there.
After leaving Steven, Connie and Lion go there to give her some time to herself. She visits Sabina while there with Connie II.