Page 116 - Mexico Diving From the Caribbean to Pacific Isles
P. 116

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-
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