The following passwords are past Muscle Beach.

BBDDB5
BBXDB5
BVXDB5
GW5DB5
GW5XG5
GW5XJ5
GW5XJ6
GW51J6

Enter BBB345 as a password to unlock the following levels: Gary Come Home, Jellyfish Jam, Coral Of The Story, It's A Jungle Out There, Clambake, Under The Boardwalk, and Special Delivery.