For 99 dollars you can have a great day diving in lake atitlan and get the high altitude licence (2 dives + license). Sebastian is a cool guy teaching you the differences of an altitude dive compared to a normal one. If you stay at...More

I did the altitude diving specialty and had two great dives. Sebastian was a super nice, caring and competent instructor who explains everything. I would definitely dive again with Ati Divers!

I did my advanced PADI certification course with Sebastian at Ati Divers and it was a fantastic experience! I can hardly think of a more beautiful place to get your altitude specialization, and Sebastian was a very patient and professional instructor. Aside from the dives...More

I completed my altitude speciality with the amazing Jorge Renato. He was so good at explaining every small detail. He took his time to ensure I was confident working out the dive planning etc. I felt relaxed straight from the beginning and so had such...More

Diving in Lake Atitlan is nothing like diving in salt water; it's a lesson in buoyancy control and a journey into unfamiliar diving territory. Luckily, diving with Jorge at Ati Divers meant our group was in capable and safety-conscious hands. It's quite obvious that Jorge...More

We had two great altitude dives with Ati Divers and Divemaster Mikel. The dive briefing was clear and everything went well. DM Mikel even helped us take underwater photos with our video camera. They have Cressi BCDs with octopus clips and the regulators were in...More

...Is where I sit with this one. We also stayed at the hostel (separate review) and the people and organisation of the dive was really good. Dive master was very open on what we would see, or more to the point not see!! Briefing was...More