Drip, Drip Cave

Drip, Drip Cave is a supposed course in Super Mario 64 that can be found by entering the hatch in Dire, Dire Docks. It is usually a large vertical cave that goes deep underwater with a sunken ship at the bottom. There is a small area above water at the start with a Metal Cap. There are Bubs, several Unagis, and Boos at the sunken ship.

Missions
"1. INSIDE THE GHOST SHIP""2. RED COINS AT THE TOP""3. GHOST HUNT IN THE CAVE""4. METAL MARIO IN THE DEPTHS""5. BIG BOO'S UNDERWATER BATTLE""6. THE DEEP DARK""7. 100 COIN STAR"

Inside The Ghost Ship
In this mission, the player must get inside the ghost ship at the bottom of the course to collect a star. One report states the ship was locked and required a Big Boo's Key.

Red Coins At The Top
In this mission, the player must collect 8 red coins near the top of the level.

Ghost Hunt In The Cave
In this mission, the player must kill 5 Boos at the ghost ship.

Metal Mario In The Depths
In this mission, the player must use the metal cap to break through a cage next to the ghost ship.

Big Boo's Underwater Battle
In this mission, the player must defeat a Big Boo at the ghost ship for a star.

The Deep Dark
In this mission, the player must find a hole underneath the ghost ship to a star.