|< ID Card 41||All ID Cards||ID Card 43 >|
ID Card #42 is a collectible item in Dead Island, and can be found in the Moresby Map of Act II. It is part of the My collectibles, let me show you them! challenge, and the Gotta find'em all and Nearly there achievements.
It's on a mattress in an alley, a little to the east of the Warehouse safehouse.
Can be seen on the following map: