This image from NASA Mars Odyssey shows a region called Terra Sirenum in Mars southern hemisphere named for the Sea of the Sirens from Greek Mythology. This is not a sea, however, but a relatively dusty, high albedo region of Mars.
This image from NASA Mars Odyssey shows a region called Terra Sirenum in Mars southern hemisphere named for the Sea of the Sirens from Greek Mythology. This is not a sea, however, but a relatively dusty, high albedo region of Mars.