Tiran Island sits at the northern mouth of the Red Sea, where the Gulf of Aqaba funnels cold, nutrient-rich water through four named reefs — Jackson, Thomas, Woodhouse, and Gordon — each rising dramatically from walls that drop to 800 metres or more. I've dived all four, and nothing quite prepares you for the moment the current takes hold and you're simply along for the ride.
Jackson Reef is the showpiece. The wall on the northern tip catches the strongest flow, and with it come hammerhead sharks, grey reefs, barracuda in thick spiralling schools, and the occasional oceanic whitetip drifting past without much interest in you. Visibility typically runs 15–30 metres depending on season and surge.
Thomas and Woodhouse are slightly more sheltered and reward patient divers with dense coral gardens, napoleon wrasse, and glassfish clouds hovering over the hard coral structures. Gordon's lagoon side works well for snorkellers when conditions cooperate, though tidal pull can be unforgiving for anyone without solid water confidence.
Reef condition here is genuinely encouraging compared to much of Egypt's more visited coastline. Boat traffic and anchor damage remain a concern around Gordon particularly, but water temperature, current, and relative distance from shore resorts have helped these reefs retain good coral coverage and fish biomass. I'd call the health solid, not pristine.
Nearly all diving runs on liveaboards out of Sharm el-Sheikh or Hurghada, which is the right call — day boats from Sharm can reach Jackson, but liveaboards let you hit all four reefs in optimal tidal windows. Most operators require Open Water certification at minimum, though Advanced is strongly recommended given the current exposure.
Best visited October to May; Advanced Open Water certification advised, and inexperienced swimmers should skip the northern tips entirely.