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© copyright by GP Schmahl

© copyright by Jose Castro
© copyright by GP Shcmahl
© copyright by GP Shcmahl
This was a research expedition led by Todd Steiner of Turtle Island Restoration Network. Todd and his researchers spent the week tagging hammerhead sharks and performing maintenance to the network of acoustic receivers that are strategically placed around Cocos Island.

Due an abundance of plankton and gelatinous creatures in the water, sharks and wildlife were abundant! We saw hammerhead sharks on almost every morning dive – and lots of them. On Day 1 we saw our first tiger shark, and we encountered more throughout the week around Manuelita Island (and for those who went on the DeepSee sub, they also saw a tiger shark for the very first time at an incredible depth of 165m/550ft!).

There was some fantastic cleaning station activity in Punta Maria and Dirty Rock (for hammerheads and Galapagos sharks alike). One of the highlights our third day was the dancing show a giant mobula ray put on for us for a full 20 minutes at Small Dos Amigos! That afternoon we had a relaxing macro dive with a huge mantis shrimp. On day 4 and 5 the visibility was incredible, and we shared the water with huge schools of jacks and mullet snappers. Manuelita Outside had some solid hammerhead activity and we also saw a tuna. We saw some big schools of hammerheads both at the cleaning station and out in the blue!

Once again, Cocos saved the best for last – toward the end of our trip we had a dive of a lifetime with a school of 100+ hammerheads out in the blue (again at Manuelita Outside, one of our favorite dive sites this expedition).

However, the icing on the cake was the very last day, with Alcyone and Dirty Rock showing off schools of 80+ hammerheads in the blue on each dive! We said farewell to Cocos with a magical sun set and calm seas for the crossing back to mainland.

Dive Conditions
Visibility   95 ft / 29 m
Water Temp.   82°F / 28°C
to Cocos Island  
to Puntarenas  

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