The following are known Action Replay Codes for Mario Golf: Advance Tour on Nintendo Game Boy Advance (GBA).

These are Action Replay Version 3 (V3) Codes.

The codes should work with the region specified but may work for other regions as well.

(M)
6ef7d4d9
07510443
645f454f
7dbceb9b

In Game Codes:
2c35cec1
3efe80b3

Hole in One (P1)
9dab3100
2a6d43f7

Inf. Power Shots
f8f54264
ec5442a0

Low Time (Speed Golf)
f36ede1d
6d2ab34c