Page 116 - Mexico Diving From the Caribbean to Pacific Isles
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SAN JUAN REEF 21-25m (69-80ft.) Boat to advanced dives are full of spectacular tered in the countless swim-throughs, caves,
dive in strong currents and usually windy sights, including gigantic sponges, colorful and other features of these beautiful coral
conditions. Seldom dived due to location gorgonians that live only in the deep, and pinnacles and towering buttresses. Visibility
and difficulty. Harbormaster permission is coral buttresses. Walls are the place to dive here generally exceeds 30m (100ft.). The
required. Grey reef sharks, eagle rays, nurse if you want to encounter fish that are bigger current is almost as variable as the scenery,
sharks and big pelagics are common. than you are - such as graceful eagle rays, but these are almost always “drift dives”.
BARRACUDA 14-30m (45-100ft.) Boat seldom-seen mantas, groupers, and nurse
dive in very strong currents and wind chop. sharks. All kinds of colorful fishes patrol
Rarely visited. It is possible to drift 4 miles the ledges and overhangs of the walls.
on one dive. Sparser fish that southern dive CORAL PINNACLES & BUTTRESSES:
sites, but large pelagics are often seen. Pinnacles and buttresses are well-developed
WALLS: Strong currents flow south to coral formations, making an intricate maze
north, flushing drop-offs with nutrients and of coral tunnels, archways and holes, full of
a continuous supply of clear water, provid- giant brain corals, star corals, and all kinds
ing Cozumel’s amazing diving visibility. of colorful sponges, algaes, and fishes. The
These dives are “drift dives”, which means holes make perfect places for lobsters, octo-
that the divers are simply swept along by the puses, and nudibranchs to hide. The open
current as the spectacular underwater scen- ocean is not far off, so a few pelagic species
ery goes by. The shallows around Cozumel may pass by checking for a possible meal
tend to descend gradually, but depending on or rest stop. The sand all around is actually
where you are, the underwater terrain drops made of parrotfish waste. They eat coral
off steeply into the abyss. In some areas the and make sand. All of the beautiful sand
“wall” begins at just 9m (30ft.) deep and on the island of Cozumel came courtesy of
in other areas this awesome drop-off starts generations of local parrotfishes. Punta Sur
at 36m (120ft.) Examples of wall dives are and Columbia Pinnacles are amongst the
Santa Rosa Wall, which plunges into the favorites of these sites, with depths ranging
deep beginning at only 10m (33ft.), and Ma- from 12m (40ft.) to well over 30m (100ft.).
racaibo Deep, which begins a steep slope at Usually, intermediate to advanced dive
21m (70ft.), and then becomes a sheer wall skills are necessary due to depth, drift and
at about 36m (120ft.). These intermediate buoyancy control requirements. Sharks and
rays are more commonly seen early or at
sunset, but all kinds of fish may be encoun-