The following are known Action Replay Codes for Dinotopia: The Timestone Pirates on Nintendo Game Boy Advance (GBA).
These codes were also known as GameShark Codes and in most cases will work on both devices.

These codes are for the U.S. version of the game.

Master Code – Must Be On
2324c177
433b77bd
c2a09584
79c493dd

Infinite Health
36ca1927
c4a931f2

Infinite Lives
bf963ee7
38b70241

Infinite Magic
17baf1e4
b4464aa1