The name Oceana is a girl's name of Greek origin meaning "ocean". Oceana and is often added to lists like Names That Mean Water and discussed in our forums with posts like "Drop Your Favorite: GIRLS!".
From the experts:
If you're a lover of the beach and sea, and want a name that relates to the largest body of water, there are several variations you could consider.
Oceana is the female form of Oceanus, the god of the sea (Oceanus was the name of the only child born during the Mayflower's historic voyage) and is the most feminine of the group.
Oceane (oh-she-ANN) has been one of the chicest name in France for several years and is now rated Number 31.
Word name Ocean takes it unisex; actor Forest Whitaker has a son called Ocean Alexander.