This north end of the reef has a sandy slope with coral heads to 50 ft, then drops as a wall with caves and crevices to deeper than sports divers can dive. The coral cover on the reef-top is good with plenty of stony, leathery and whip corals, among which you find large Guitar Sharks, Leopard Sharks, immature Manta Rays, Blue spotted Lagoon Rays, Eagle Rays, flounders and turtles.
The wall, with its overhangs and crevices, has huge gorgonian sea fans, barrel sponges, black corals and soft corals, Grey Reef Sharks, Whitetip Reef Sharks, Blacktip Reef Sharks, snappers, Moorish Idols, sweetlips, jacks, trevallies, surgeonfish, squirrelfish, soldierfish and groupers. Large Manta Rays are common at the surface and pelagic visitors are possible at any time.
Average depth: 100 ft
Maximum depth: 200 ft plus
Conditions: Normally calm with some swell. Strong currents can take you in either direction or change. Visibility can reach 130 ft.
Location: The north face of Tubbataha Reef North Islet 98 nautical miles southeast of Puerto Princesa.