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Daedalus Reef
Atlas PickOffshore IslandLiveaboard OnlySharksAdvanced
Daedalus Reef
Remote · 90km west of Marsa Alam
5–40m+
Depth Range
30m+
Visibility
No Ratings Yet
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Overview

Daedalus Reef

Daedalus is a circular atoll, a lone pinnacle of reef rising from the open ocean floor approximately 90km offshore from Marsa Alam. There is nothing else out here. No coastline, no other reefs, no ships. Just the lighthouse, the reef, and the open sea in every direction.

The walls of the atoll drop sheer to over 200m on all sides. The south and west walls are the main dive spots, hammerheads school here in the cooler months, and oceanic whitetip sharks patrol year-round with a directness that no other Red Sea site matches. These are open-ocean animals, not reef fish, and they behave accordingly: curious, confident and occasionally assertive.

This is a liveaboard-only site. The transit alone takes four to five hours each way. That journey means Daedalus is almost always dived as part of a combined Brothers and Daedalus itinerary. No day boats make the crossing. Every diver you meet here has committed to a serious trip, and the reef rewards that commitment fully.

Key Stats

The numbers

5–40m+
Depth Range
30m+
Visibility
24–28°c
Water Temp
Moderate–Strong
Current
Yearround
Season
Advanced
Skill Level
Safety & Skills

What you need to know

Open Ocean
90km from shore. No shelter, no nearby help. All boat crews must be briefed. Emergency ascent and surface conditions are unpredictable, every diver must carry a DSMB.
Current
Moderate to strong around the full perimeter. Can change direction. The south and west walls are the most exposed. Entry and exit timing is critical.
Sharks
Oceanic whitetips are inquisitive and can be persistent. Stay in group formation. No dangling equipment. Follow the guide briefing exactly.
Depth
The wall has no natural stopping points. Easy to follow pelagics too deep. Set and respect your turn-pressure before the dive, not during it.
Visibility
Consistently excellent, 30m+ year-round. One of the clearest sites in the Red Sea. Blue water disorientation is still possible, maintain reef reference.
Water Temp
Warm year-round. 5mm wetsuit adequate. Thermoclines can drop to 22°c below 40m, nitrox divers going deep should be aware.
Minimum: Advanced Open WaterThis is not an open water dive. Minimum 50 logged dives before attempting the south wall. Deep and open water specialties are strongly recommended.
DSMB mandatorySurface conditions offshore can be rough. Every diver must carry and be able to deploy their own surface marker buoy, independently.
Buoyancy control essentialDiving at depth alongside pelagic sharks. Poor buoyancy disturbs marine life and is a hazard to the group. Be honest about your level.
Nitrox recommendedMultiple dives to 30–40m on multi-day itineraries. Nitrox significantly increases bottom time and reduces fatigue.
⚠️
Shark behaviour briefingAll operators should provide a pre-dive briefing on oceanic whitetip behaviour. If yours doesn't, ask specifically. Do not skip it.
How to Get There

Access & operators

Access Type
Liveaboard only, no day trips
Nearest Port
Port Ghalib · Marsa Alam
Transit Time
4–5 hours each way
Best Season
Year-round · Oct–Feb for hammers
Manta Rays
March, October
Whale Sharks
Summer · South face open water
Remote · 90km west of Marsa Alam
Operators Running This SiteTheyCallMeDugongiEmperor DiversRed Sea AggressorDeco Divers · Legacy
Dive Maps

Know the reef before you dive it

Aerial ViewSouth Plateau · Top-down
Daedalus aerial map
Cross-sectionAbuKizan · Viewed from NW
Daedalus cross-section map

Original maps created for The Red Sea Atlas · Not for navigation

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Typical Conditions
Water Temp24–28°c
Visibility30m+
CurrentModerate–Strong
Max Depth40m+ (wall 200m+)
Plateau Depth20–40m
Min. LevelAdvanced OW
Best Time to Dive
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Peak Sep–Nov & Mar–Apr. Hammerheads Oct–Feb. Mantas Mar–Oct.

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