Gazmin

Gazmin is a planet that is completely covered by water. There are absolutely no landmasses above the surface. The planet is populated by aquatic Gaz, who have built cities under the ocean in the form of metallic underwater bases.

There are many underwater volcanos and mountains and trenches under Gazmin's waters. However, the pressure would crush you without a pressure neutralizer. Fish and coral reefs are abundant on Gazmin, most of the ocean floor is covered in kelp.