|< ID Card 20||All ID Cards||ID Card 22 >|
ID Card #21 is a collectible item in Dead Island, and can be found in the Resort map of Act I. It is part of the My collectibles, let me show you them! challenge, and the Gotta find'em all and Nearly there achievements.
Hotel Bungalow #15, where Anne's teddy bear is found.
Can be seen on the following map: