Our morning cruise was very pleasant, we only had 17 passengers and 3 crew members, temps were in the low 80's and there was little to no wind (so the sails were not used). I was a first time snorkeler and I had a great time, my facial hair (mustache) resulted in a bit of leakage around my mask, but the crew mentioned that would happen. If you are in Key West, this is a good way to spend the morning or afternoon. The entire experience was very laid back, so don't worry about it if you are a first time snorkeler (or if you don't want to snorkel at all, and just want to enjoy the cruise and the beer/wine).