St. John's is a cluster of small reefs offering some of the most spectacular underwater wildlife vistas in the Red Sea. Habili Ali reef offers giant gorgonians and black corals. The Grey Reef houses silver tip sharks and hammerhead sharks at its west side. Habili Gafaar is a mass of soft corals crowded with snappers, butterfly fish and barracudas. To the North, you will find the St. John's cave, an area where shallow cracks open up into small caverns.