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Aggressor Adventure Travel
Okeanos Aggressor II :


Log Date: Wednesday, Apr 27, 2016
Entry By: Okeanos Aggressor II crew



Departure: April 27th, 2016

Average Water Temperaruture: 30 C on surface, 24C bottom

Average Visibility: 20 m.

Crew: Cap Mauricio, Chef Jairol & Esteban, Engenier Miguel, Steward Jorge, Driver Heyler & Marvin. Dive Masters, Mauricio, Facundo & Andres. Night man Esteban.


We greeted our passengers at the dock in Puntarenas with a delicious cocktail prepared by bartender Jorge and began our 12-hour overnight crossing to Caño Island in the south pacific of Costa Rica. Prior to dinner, we give our guests the very important security briefing and the general diving briefing.


Our first morning in the Island we start our check dive in a easy site called ‘El Ancla’, it is a calm place where everybody can check their gear and buoyancy to make sure everything is perfect. We were received by schools of Golden Snappers and jacks and a number of Sting Rays which normally stay around the sandy bottom, a couple of White tip Sharks were also there. It was a very nice and calm first dive. Our second dive was at ‘Barco Hundido’ where there were huge schools of Golden Snapper, Spotted Rose Snapper and lots of reef fish. The Stingrays were also around. Some guests got to see a Nurse Shark that usually roams around the reef. Third dive in ‘Shark Cave’ offered the chance to see a few White tips hanging out in the cave, as the name suggests. There were also lots of ref fish and beautiful corals to observe. We had a couple of Green Turtles follow us around and finished the dive with a huge school of yellow rainbow fish circling around us.


On the second day we visited the sites of ‘El Faro’ and ‘Cirujanos’. These spots had big schools of Jacks, Golden Snappers, Surgeonfish and Barracudas. We also always find White tip Sharks scattered around these sites. The water was clear and we got to see a couple of Harlequin Shrimp in side some grouts.


On our third day we had a shot at a deep site outside the marine reserve called ‘Paraiso’ which has a variety of beautiful and colorful corals and schools of Jacks. There were some big Snappers and Amberjacks around. We decided to do the second and third dives at ‘Bajo de la yuca’ and ‘Damian’; we observed some mobula rays and schools of jacks amongst the typical ref fish than inhabit the sites. In the afternoon we did ‘Bajo del Diablo’ which had a couple of Oceanic Mantas waiting for us. We also had a huge school of Barracudas and a beautiful Green Sea Turtle. There were huge schools of Jacks and Snappers and a lot of Blue Trevally, which often feed around the site. At 6:00pm we did our fist night dive at a site called ‘Marenco’ and we saw lots of macro life in the corals and reef fish al around. We also got to see a beautiful Nurse Shark and a couple of Whitetips, finishing off with a Green sea Turtle.


After the third dive we had the most incredible and unexpected surprise, a pod of Killer Whales!! They were swimming around the Island so we didn’t let pass the opportunity to go and see them with our dinghies. We hung around them for 30 minutes watching a whole family swimming gracefully towards deeper waters; it was a group of 8 or 9 Whales, including 2 or 3 very young, small ones. This was a huge surprise to us since Killer Whales don’t usually come to this part of the Pacific, so you could imagine that everyone was really excited.


Fourth day we take the opportunity to do a hike in the amazing Corcovado National Park in the mainland near Caño Island, cataloged as one of the most biologically intense places on the planet. We had the chance to see the Spider and Whiteface Monkeys. We saw some Coatis really close to us. There is also incredible amount and variety of fauna and green vegetation in this Park. In the afternoon we did a couple of dives in ‘Shark Cave’ and ‘Barco Hundido’. We also had our second night dive.



On the fifth and sixth day we went back to the ‘Bajo del Diablo’, ‘El Faro’ and the surrounding seamounts around the area, which had the best during the week. The sites were full of life just like previous days. The giant Mantas stuck around for the week and we had the chance to see them in most dives, at times we had 2 of them gliding around and playing with each other. We also had huge schools of Mobula Rays in most dives, sometimes more than 60 or 70 of them!


We had weak, manageable currents during the whole week and some cold thermoclines; the visibility was really good all week long. Overall, we had a memorable dive week with excellent dives and lots of life for us to enjoy. Thank you to all our guests for coming along!



Brian  , Amy, Steve, Stephen, Dirce, Adriana,          

Jordi, Lluis, Scott, Gary, Richard, Arthur, Diego,

Ingrid, Franz, Lydia, Allan, Catherine, Beverly, & Michael