Mini-dungeon list (incomplete)

Star Island
	- Secret cave -> Heart Piece
N. Fairy
	- Submarine -> Treasure Chart
Crescent Moon
	- Submarine -> Treasure Chart
Overlook
	- Secret cave -> Triforce chart
Flight Control Platform
	- Submarine -> Special Chart
Dragon Roost Island
	- Secret Cave -> 10 rupees
Pawprint
	- Secret Cave -> Heart Piece
	- Secret Cave -> Silver rupee
Rockspire
	- Secret Cave -> Treasure Chart
Fire Mountain
	- Power Bracelets
Bomb Island
	- Heart Piece
Private Oasis
	- Triforce Chart
Stonewatcher
	- Triforce Chart
Needle Rock
	- Secret Cave -> 100 rupees
Shark Island
	- Secret Cave -> 200 rupees
5-star Island
	- submarine -> Heart Piece
Boating Course
	- Secret Cave -> Special Chart
Angular Island
	- Secret Cave -> 200 rupees (need mirror shield)