Super Mario 64/Jolly Roger Bay

Jolly Roger Bay is Course 3 in Super Mario 64 DS. 3 stars are required to access it. To get there, go to the room to the bootom right of the first floor, and enter the painting.

Star 1: Plunder in the Sunken Ship
To get this star, you will need to rreach the ship in the bottom of the water. Swim down to where the eel is. Get close, then wait for it to get out of the opening. Go in, and you will find a treasure chest. Open it to drain the water from the room. Then, make your way up the platforms to the yellow ? block. Inside it is the star.

Star 2: Can the Eel Come Out and Play?
Make your way to the area where the ships was, then look for the eel. Get close to make it come out. Swim after it to touch the star and make it fly off the eel's tail. Then swim over to the star to get it.