Like other reviewers here, I have nothing but good things to say about Abyss Dive Center. They were a pleasure to deal with, from our pre-trip bookings, thru all our dives, to a post-trip follow-up email. It was my 13-year old son's first ocean and boat dives, and they did everything to ensure it was a good experience for him.... more

I cannot say enough good things about our experience with Abyss Dive Center in Marathon. From our original emails with Carmen, planning our trip, to our dive training with Larry Murray, our instructor and our experience diving on the "Vitamin Sea" with our fantastic captains we could not have asked for a better diving experience. We made our decision to... more

This is our fifth year diving with Abyss. My husband (an experienced diver) and myself (a less experienced diver) come to the Keys at least once a year, and if we do nothing else while we're here, we dive with Mr. Bill and his staff. Their boat, the Vitamin Sea, only takes 6 divers, and we've been out when it's... more

My dive experienced husband and my 13 year old daughter used the Abyss Dive Center during our stay in Marathon. My daughter was completing her SCUBA certification and spent two days with Tracy, her dive instructor. My daughter raved about Tracy and felt very comfortable with her for her first ever in the ocean dive experience. My husband liked the... more

I am a beginning diver having just been recently certified in the last couple months and this was my first time diving in the ocean. I let Carmen with Abyss know that it would be my first dive from a boat and my first ocean dive. She was as excited for me as can be and set me up with... more

I booked a dive vacation in August, 2008, with the Abyss Dive Center on Key Colony in the Florida Keys. I was unable to find any reviews on this business and was leary about using them. However, I did use them and could not have been more happy. The Dive Package: We did four 2-tank and one night dive with... more