Here's some Action Replay Max code for The Sims 2: Castaway that I found on a news site. I haven't tested them, but I thought I'd post them anyway.
Where I found them:
http://news.softpedia.com/news/The-Sims-2-Castaway-Action-Replay-Codes-PS2-75510.shtml
The Codes:
(M)
J4VD-CM7H-NWPN4
0FY4-2TKB-V78TJ
Ignore Crafting Requirements/Resources
WNTC-T2FW-32RHU
99VY-BEUE-XH2GR
ZTD3-ADJ4-145U6
All Plans Are Available
HPGW-T32V-CVYCG
05M0-QYD0-PX35V
All Maps/Islands Available
73VE-V869-P7AZM
VEV0-KZAJ-JBDKM
Disable Curtains
YACZ-KAVM-VC4QE
JG9Q-CNBN-X9D13
Disable Censorship
R573-2GUG-G7Q04
6NZ0-1P14-ZJM38
All Clothing Available
ECJT-W9RD-1ZUJ2
4NR1-VY6N-59EUR
Display Camera Position
8FR1-N279-V6TU8
552Y-AYF1-H72E7
Motives Don't Decrease
D53E-HZVF-5FN8T
37JJ-HUD6-4K7TU
Ignore Damage to Sims and Objects
0ACU-H1RH-3MJK1
2X1D-PMAG-U67QN
Build Without Regard to Fire Code
4NPE-M3MN-T83Q1
5248-4BA8-31AY4