This is a Gator Keys Map mod for GTA Vice City. This Mod adds two islands on the south of Vice City (near Docks/Airport area). The mod is made to show how the Gator Keys might have looked in Beta stages of the game..
The installation tutorial is there in Readme file. If you don't understand that tutorial or you want to see the mod before installing it you can watch this video...
MOD Download Link: http://www.mediafire.com/file/tsxk6yevqx53e05/Gator_Keys_MOD.rar/file