Daedalus Reef

Daedalus Reef is a large, elongated oval seamount rising sheer from a seabed roughly 450–550 metres deep, sitting approximately 80–100 kilometres east-southeast of Marsa Alam in the Egyptian Red Sea — around 52 nautical miles offshore and accessible only by liveaboard. Its surface platform measures about 1,075 metres long by 300 metres wide. A zebra-striped lighthouse built in 1863 and still in continuous service stands on the reef, and the site is protected within a marine park. Locally known as Abu Kizan, it sits almost equidistant between the Egyptian and Saudi Arabian coastlines, making it the furthest offshore reef on the Egyptian side of the sea.

The reef's walls are its defining terrain feature: edges drop vertically to around 20 metres, then a sloping shoulder extends out to about 40 metres before the wall plunges into the abyss, with a maximum diving depth of 40 m. Named dive zones include the northern tip (known for hammerheads on both its east and west walls), the western wall with an area called Anemone City, the southern plateau, and the Zealot wreck, which is designated for technical divers only.

Daedalus holds some of the Red Sea's most reliable large-pelagic encounters. Scalloped hammerheads are most commonly seen in spring and summer, while manta rays are more frequent in winter and spring, and whale sharks appear around May and June. Oceanic whitetip sharks, grey reef sharks, silky sharks, thresher sharks, tiger sharks, and dolphins are also recorded at the site, alongside giant trevally, dogtooth tuna, barracuda, jacks, snappers, and groupers. The reef's isolation and deep surrounding water drive exceptional productivity.