Egypt · Red Sea
Blue Hole, Dahab
A perfect circle of cobalt cut into the reef shelf — an arch at 56m for the trained, a rim of coral life for everyone else.
A field guide · the silent blue
Inhale. Exhale. Descend.
Cold thermoclines, sunlit reefs, and the slow heartbeat of the deep — an evolving notebook from open water to technical descents.
0mSurface
18mRecreational
40mDeep limit
100m+Technical
scroll · descend
I
About
The pull of the deep
Diving is the closest most of us will get to weightlessness. The reef hums, the light bends, and a small clownfish decides you're a threat. There is nothing else like it.
Slow is smooth
Equalize early. Move like you mean it. Watch your air, your buddy, your buoyancy — in that order. The good divers aren't the fastest; they're the calmest.
II
Featured dive sites
Belize
Great Blue Hole
A 300m sinkhole rimmed by reef. Stalactites lean out of the dark at 35m — a cathedral that pre-dates the sea above it.
Iceland
Silfra Fissure
Glacier melt, 2°C, and the rift between two continents. Visibility past 100m. You drift between tectonic plates close enough to touch both.
Indonesia
Raja Ampat
The richest marine biodiversity on Earth. Soft coral gardens, walls of sweetlips, and the occasional manta gliding overhead like a slow plane.
Mexico
Cenote Dos Ojos
Freshwater cave system, mirror-still, lit by shafts of jungle sunlight. A halocline at 10m where salt meets fresh and the water itself blurs.
Australia
SS Yongala
A 109m steamship, sunk in 1911. Now a single artificial reef alive with sea snakes, giant groupers, and bull rays the size of dinner tables.
III
By the numbers
0Hours underwater
0Dives logged
0Deepest descent
0Coldest water
0Best visibility
0Countries dived
IV
Gear, briefly
Dive computer
One non-negotiable item. Tracks depth, time, and no-deco limits in real time — then logs the whole dive for you.
Regulator
Servicing matters more than brand. Get it inspected annually, rinse it after every saltwater dive, and never let it dangle on the bottom.
BCD
A back-inflate or wing keeps you horizontal underwater and upright at the surface. Trim is taught — buoyancy is felt.
V
Recent logbook
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127
Shaab El Erg — North wall
Spinner dolphins on the descent. Returned with 70 bar, smug.
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126
SS Thistlegorm — bow
Crocodilefish on the deck plates. The motorbikes are still there.
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125
Abu Nuhas — Giannis D
Penetrated the engine room with a torch, came out the stern. Absolute silence.
The sea, once it casts its spell, holds one in its net of wonder forever.
— Jacques Cousteau