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Dive Review of Okeanos Aggressor in
Costa Rica/Coco Island]

July, 2015, an Instant Reader Report by James K Harris, TX, US
Reviewer   (3 reports, with 3 Helpful votes)
"Some good, some bad"
Report Number 8330 has 2 Helpful votes
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Reporter and Travel
Dive Experience
251-500 dives
Where else diving
Galapagos, Socorro, Palau, TX Flower Gardens, Hawaii, Bahamas, Caymans,
Belize, Cozumel
Closest Airport
San Jose, CR
Getting There
Went DFW to Miami to San Jose

Dive Conditions

sunny, cloudy  
choppy, surge, currents  
Water Temp
80   to 85    Fahrenheit  
Wetsuit Thickness
Water Visibility
50   to 100    Feet  
Dive Policy
Dive own profile
Enforced diving restrictions  
55 min max, no solo diving, 110' max (although not rigidly enforced)  
Nitrox Available?
What I saw
1 or 2 
Whale Sharks
1 or 2 
Ratings 1 (worst)- 5 (best):
  2 stars
Tropical Fish
For Subscribers Only  
Small Critters
  For Subscribers Only
Large Fish
For Subscribers Only  
Large Pelagics
  For Subscribers Only
Underwater Photography  1 (worst)- 5 (best):
Subject Matter
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Boat Facilities
4 stars
Overall rating for UWP's  
For Subscribers Only  
Shore Facilities  
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Plenty of charging available (110V) outside or in the salon, only one plug
supported 220V.  Dedicated rinse tanks, plenty of work space, cameras are
on a thick foam pad at the front of  ...
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Ratings and Overall Comments  1 (worst)- 5 (best):
For Subscribers Only
4 stars
Service and Attitude
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Environmental Sensitivity  
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Dive Operation
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Shore Diving  
For Subscribers Only  

Overall Rating

Value for $$
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1 stars   
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Water temp was warmer than expected - 85 on most dives, a few dives had a
thermocline deep (80-100') that dropped the temp to 80.  Most everyone was
diving a 3mm full suit.

The group of 21 divers was split between two pangas with each typically
going to different sites and then they'd swap so that everyone got to the
same sites.  At one site a couple of times both pangas went but separated
by 30 minutes which worked fine.

My group was horribly unlucky compared to the other group - they had much
closer encounters with hammerheads, saw a tiger shark multiple time,
allegedly saw a baby humpback.  My group had a couple of divers who
wouldn't hang on the rocks at the cleaning station or would chase after
sharks when they'd show up and I think that went a long way towards the
sharks keeping their distance from my group.  There were some
confrontations with one couple who would do that and the captain and cruise
director talked to them but it didn't seem to help.

Panga rides were 5-15 minutes, all gear is kept on the pangas and you'd
gear up once you got to the site.  You'd backroll in negatively buoyant and
head for the bottom to wait on the rest of the group.  I often was the
first one in and it would typically take 10-15 minutes for the rest of the
group to get in and get to depth.  I started hanging out shallower because
I'd run low on air if I went to 80-100' waiting for the group.  The
divemaster was last in and then you'd typically hang out deep at a cleaning
station waiting for something to arrive.  If after 5-10 minutes nothing
showed up we'd start swimming around the site and quite often would then
swim out into the blue around 50-60' and see what we'd run across.  The
panga followed but they typically wanted the divemaster to be first on the
panga to help people back on board with the panga driver and he typically
would surface around 55 minutes.

The longer panga rides were a beating if you were sitting near the front. 
Choppy seas and the throttle being wide open is going to result in some
hard slaps against the water in spite of the best intentions of the driver
to recognize the waves and chop the throttle to avoid that.

With the longer panga rides, it taking 20 minutes to get everyone geared up
and to the bottom, then taking another 15 minutes to get everyone out of
the ...
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Other dive reports on Aggressor Fleet

All Costa Rica Dive Reviews and Reports
Diving Guide to Costa Rica
Diving Reviews for All Dive Destinations

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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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