Me and my wife(girlfriend back then) went to Grand Cayman almost 20 yrs ago, we will be going there again this July with our 2 daughters(18 and 12). I want to know if we can get by without renting a car. We will be staying on 7MB and will mostly be snorkeling and enjoying the beach. I am the only one who's certified to dive so I'll be doing a bit of diving. I understand most dive shops will pick u up at the resort or I'll just dive with a dive shop near the resort. How is the buses there if any, and how expensive is the taxis? We want to go to Georgetown and the Turtle Farm and also visit the different snorkeling site GCM has to offer.