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Dive Review of Okeanos Aggressor in
Costa Rica/Cocos Island

Okeanos Aggressor, Aug, 2007,

by Barbara Rizzardi, UT, USA . Report 3560.

Reporter and Travel

Dive Experience 501-1000 dives
Where else diving Bonaire, Aruba, Curacao, St. John's, St. Lucia, Bora Bora, Grand Cayman, Andros Isle (Bahamas), Cozumel, Isla Mujeres, Akumal, Turks/Caicos, California
Closest Airport Getting There

Dive Conditions

Weather rainy, cloudy Seas choppy, currents
Water Temp 74 to 82 Fahrenheit Wetsuit Thickness 3
Water Visibility 75 to 100 Feet

Dive Policy

Dive own profile yes
Enforced diving restrictions No blue water diving or diving below 120 feet. Needed to be nitrox certified and carry safety sausage. Needed gloves.
Liveaboard? yes Nitrox Available? N/A

What I Saw

Sharks Lots Mantas Squadrons
Dolphins 1 or 2 Whale Sharks > 2
Turtles > 2 Whales None
Corals 3 stars Tropical Fish 5 stars
Small Critters 5 stars Large Fish 5 stars
Large Pelagics 5 stars

Underwater Photography 1 (worst) - 5 (best):

Subject Matter N/A Boat Facilities N/A
Overall rating for UWP's N/A Shore Facilities N/A
UW Photo Comments [None]

Ratings and Overall Comments 1 (worst) - 5 (best):

Accommodations 4 stars Food 3 stars
Service and Attitude 5 stars Environmental Sensitivity N/A
Dive Operation 5 stars Shore Diving 1 stars
Snorkeling N/A
Value for $$ N/A
Beginners 3 stars
Advanced 5 stars
Comments Cocos Island is truly a diver's paradise. Our group flew into San Jose, Costa Rica, requiring an overnight stay in a hillside hotel with beautiful views. After a 3-4 hour bus ride over the mountainous (curvy) highway to Puertorenas, we boarded the Okeanos in the evening and departed immediately. The crossing to Cocos Island was very rough, 36 hours over large swells, necessitating transcop patches AND motion sickness pills for nearly everyone. The staterooms were small but adequate in size, comfortable, and clean, with mostly a double bed and single bunk in each room and one quad room, each with a toilet/shower. They were cleaned daily. We moored in Chatham Bay which was protected and very calm. Views from the boat were amazing with dozens of waterfalls gracing the rain-forested cliffs of Cocos and daily rainbows. Bird life was profuse. Even from the liveaboard, we saw Mantas and dozens of silky sharks from the decks. Every dive was spectacular. Most dives were to 100 feet, all on nitrox, and averaged 50 minutes. There were three day dives and one night dive each day. Dive sites were reached by Panga boats which accommodated 12 divers comfortably, each with built in racks for tanks. The crew set up the tanks and assisted in checking nitrox levels. All dive times, nitrox mixes, and depths were carefully monitored. The crew was very friendly and interactive. Nearly EVERY dive we saw HUNDREDS of hammerhead and white tip sharks, dozens of marble rays, several manta rays and eagle rays, profusions of tuna, bait balls containing thousands of fish, and dozens of eels (many free swimming). There were occasional turtles and dolphins and even a large frogfish walking around. Currents could be strong and could shift direction without warning. Thermoclines occurred at depth, dropping temps to the low 70's. Our group wore 3 or 5 mm wetsuits, with hooded vests, 5mm gloves (needed to hang on to the rocks in current). Divers with cameras had unending photo op as the sharks and whale sharks are unafraid and approach closely. Night dives involved watching packs of white tip sharks in a feeding frenzy, covering the reef thickly like maggots. Overall, the diving was the best in my 32 years of diving anywhere. Cocos Island itself is like Jurassic Park. Access is strictly limited. Only the park rangers live there. There is an extra $245 charge per person to dive the Cocos area, $100 pp fuel surcharge, and $100 pp charge for unlimited nitrox in addition to what we paid for a package deal for flight, hotel, diving, and the liveaboard. But still, worth every penny. The dive crew made a DVD of our diving which amazes everyone who sees it. My thanks go out to the crew. The trip of a lifetime!!
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Note: The information here was reported by the author above, but has NOT been reviewed nor edited by Undercurrent prior to posting on our website. Please report any major problems by writing to us and referencing the report number above.

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