The term 'Dolphin Home' can be broken down into two crossword solutions: SEA (3 letters). The term 'Dolphin Home' refers to the natural habitat of dolphins, which is the SEA. Dolphins are aquatic mammals that live in oceans, seas, and other large bodies of water. They are highly social animals and often live in groups called pods. Dolphins rely on the SEA for food, shelter, and protection from predators.