Brothers, Daedalus & St John's
Brothers, Daedalus, and St John's are the Egyptian Red Sea stripped to essentials: tiny reefs and islands far offshore, reachable only by liveaboard, where walls plunge from lighthouse islets straight into shark water. The Brothers add two historic wrecks draped in soft coral; Daedalus stacks scalloped hammerheads off its northern point; St John's spreads caverns and pinnacles near the Sudanese border. This is Egypt's big-animal circuit.
Why dive here
Isolation does the work. Big Brother is a 400-meter sliver of rock under a Victorian lighthouse, and its walls carry the traffic of open sea: grey reef sharks on the plateaus, oceanic whitetips under the boats in fall, thresher sharks rising from the thermocline at first light. The Numidia and Aida, wrecked against the island a half-century apart, have become vertical gardens of soft coral. Daedalus, some 90 kilometers off Marsa Alam, is the most reliable scalloped hammerhead station in Egyptian water from late spring through summer, with an anemone field on its north point that ripples like weather. The St John's group softens the itinerary with sunlit cavern mazes and gorgonian-hung walls. Seas are open, currents honest, and schedules long - most boats ask for advanced certification and a meaningful logbook before they take you.
Month by month
Liveaboards run most of the year, but winter crossings can be rough and departures thin out. Hammerheads school at Daedalus roughly May-August; oceanic whitetips concentrate at the Brothers and Daedalus in October-November.
| Month | Water | Visibility | What it's like |
|---|---|---|---|
| January●●●○○ | 23–25 °C / 73–77 °F | 20–40 m | Rough crossings; fewer departures. |
| February●●●○○ | 22–24 °C / 72–75 °F | 20–40 m | Coolest water; hardy schedules only. |
| March●●●●○ | 23–25 °C / 73–77 °F | 20–40 m | Season warms as the seas ease. |
| April●●●●○ | 24–26 °C / 75–79 °F | 20–40 m | Reliable crossings resume. |
| May●●●●● | 25–27 °C / 77–81 °F | 20–40 m | Hammerhead schooling builds at Daedalus. |
| June●●●●● | 26–28 °C / 79–82 °F | 20–40 m | Calm seas and strong shark action. |
| July●●●●● | 27–29 °C / 81–84 °F | 20–40 m | Schooling hammerheads; hot decks. |
| August●●●●○ | 28–30 °C / 82–86 °F | 20–40 m | Warmest water; hammerheads taper. |
| September●●●●● | 28–30 °C / 82–86 °F | 20–40 m | Transition month - a bit of everything. |
| October●●●●● | 27–29 °C / 81–84 °F | 20–40 m | Oceanic whitetip peak at the Brothers. |
| November●●●●○ | 25–27 °C / 77–81 °F | 20–40 m | Whitetips linger; wind returns late in the month. |
| December●●●○○ | 24–26 °C / 75–79 °F | 20–40 m | Winter seas cut the schedule back. |
Monthly figures confidence: Documented. Months without a row have no verified data — we would rather show a gap than invent one.
The dive sites (7)
| Site | Type | Depth | Level | Access | |
|---|---|---|---|---|---|
| Aida A deep, coral-sheathed hull on a dramatic slope; pairing with the island's… | Wreck | 30–60 m | Advanced | Liveaboard | |
| Big Brother Dawn thresher encounters; fall oceanic whitetips beneath the boats; wall… | Wall | 5–40 m | Advanced | Liveaboard | |
| Daedalus Reef Schooling scalloped hammerheads in early summer; Anemone City; the… | Wall | 5–40 m | Advanced | Liveaboard | |
| Habili Ali Giant gorgonians and black coral; sharks on the up-current face; a pure… | Pinnacle | 8–40 m | Advanced | Liveaboard | |
| Little Brother The gorgonian forest on the north point; threshers and whitetips in season… | Wall | 5–40 m | Advanced | Liveaboard | |
| Numidia Locomotive wheels at the crest; soft coral on century-old steel; sharks… | Wreck | 8–40 m | Advanced | Liveaboard | |
| St John's Caves Cathedral light shafts in shallow tunnels; low-stress cavern penetration… | Reef | 4–18 m | Intermediate | Liveaboard |
Marine life you can plan around
Oceanic Whitetip Shark
Scalloped Hammerhead
Silky Shark
Great Hammerhead
Pelagic Thresher Shark
Scalloped hammerhead schools, oceanic whitetips, thresher and grey reef sharks, dogtooth tuna, soft-coral wreck faces, and anemone cities thick with Red Sea anemonefish.
Wrecks here
Aida
Numidia
Getting there & staying
Getting there: Book the boat first; almost all guests fly into Marsa Alam or Hurghada and transfer to the marina the same evening.
Where to stay: Accommodation is the boat. A marina-hotel night in Port Ghalib before or after the cruise smooths flight timing.
Liveaboards: Seven-night itineraries from Port Ghalib or Hurghada are standard, often labeled BDE (Brothers-Daedalus-Elphinstone) or Deep South for the St John's reefs.
Costs: Liveaboard-only - no day boats reach these reefs. Budget for marine-park fees on top of charter rates; seven-night itineraries are the norm.
Between dives: Effectively none once aboard - reading, surface intervals, and a lighthouse visit at Big Brother or Daedalus when landings are permitted.
Safety & practicalities
Hazards: Strong, shifting currents; blue-water descents and ascents; distance from help measured in hours; oceanic whitetips demand disciplined surface behavior - incidents in 2018 briefly closed the Brothers before conduct rules were tightened.
Carry a surface marker, reel, and ideally a personal locator beacon on every dive; follow negative-entry and group protocols exactly. This is no place for rusty skills, and many boats verify logbooks.
Nearest recompression: No chamber offshore; evacuation to mainland facilities takes hours. Availability changes - emergencies route through the boat's protocols, EMS, and DAN.