|Opened||March 15, 2010|
The Cave Mine is a room that was first opened during the Cave Expedition as a room for everyone. However, after the expedition was over, the entrance was blocked by a rock slide. It was later reopened to become a permanent room for members and non-members alike to celebrate the new game, Puffle Rescue. There are no games in this room. However, one may earn coins by digging, or alternatively throw snowballs to the generator so nobody gets in the dark. The former earns coins while the latter does not.
 Digging for coins
One can use a Hard Hat, Snow Shovel, Miners Helmet or Red Construction Hat to dig up coins, by dancing. More coins are received when the lights are dim. The current known maximum amount of coins is 100 coins. Every New Year's eve, there is a few special amounts of coins, such as 3, 6, and 33.
A large pit is located in the center of the room, where penguins can dig for coins that are hidden (Amethysts that made up the Amethyst Pin in the Cave Expedition) if they have a Hard Hat or a Snow Shovel. During the reopening there were also free Mining Helmets given away. The Mining Helmets are now under the stairs. One can walk up to the construction hat and drill to receive a free hard hat. (This is possibly the only permanent free item stand in Club Penguin.)
In the middle of the upper side of the room there is a snowball-powered generator that lights up the room, if penguins do not throw snowballs at it then the lights will go off and the room will turn dark. The entrance to the Hidden Lake is also at the eastern corner of this room, near a small waterfall.
During the Marvel Super Hero Takeover 2012, a random Club Penguin song titled began to play in the Cave Mine. There were no decorations and the music did not match the party.
During the Water Scavenger Hunt.
 Names in other languages
|Portuguese||Caverna da Mina|
|Spanish||Cueva de la Mina|
|Pin #||Pin name||Available from||Available until|
|111||Amethyst pin||January 22, 2010||January 29, 2010|
|134||Sandwich Pin||September 24, 2010||October 7, 2010|
|183||Hot Sauce Pin||November 2, 2011||November 16, 2011|
|219||7th Anniversary Hat Pin||October 17, 2012||October 31, 2012|
|230||Snowflake pin||December 12, 2012||December 26, 2012|