Done on a modded PS3
Oh this is just fantastic. A modder by the name of Bushigan has submerged Los Santos into the ocean. The mod was accomplished through a modded PlayStation 3, and as you can see life sort of goes on while Grand Theft Auto V’s main city is ravaged by waves.
You can make this happen yourself, so long as you have a modded PS3 that is.
(Via Kotaku)