Super Mario 64/Dire, Dire Docks

Dire, Dire Docks is the ninth stage in Super Mario 64 DS. 30 stars are required to access it. It is found in the room with the Bowser in the Lava Sea stage, but the portal is blocking the Bowser stage. This area is known as Dire, Dire Docks. After you clear the first level of it, the portal will move to the back of the room.