I booked the 1 1/2 hour tour. I ended up the only person for my scheduled trip. Instead of canceling due to small numbers, ESE provided me with the promised tour. I really appreciated this. I have been knocked out of tours in the past due to not enough people signed up. This is very frustrating. So, my appreciation for ESE is very high. My captain was Albert who was knowledgeable and accommodating to my desire of specific knowledge. I am a teacher of Science and Albert was able to give me the knowledge needed to take back to my science classes. I feel I come away with a fuller understanding of the issues facing the everglades, as well as a personal connection to preserve this rich ecosystem. Well worth the investment, and I highly recommend this trip to any and all.