Astronotes Armagh Planetarium's Stellar Blog! ... Earth Satellites . ... So if we as humans rely heavily on refreshing H 2 O to survive, a holiday home on Mars is probably not going to be as relaxing as one in the Bahamas! The Red Planet does have water, but it is nearly exclusively in the form of ice located at both the polar ice caps and roughly a quarter of a mile below the Martian surface. ... An unusual issue that you may think would be a big problem for living on Mars is the dust! ...