This was an awesome tour for the wife and I. Even though Terri couldn't be our guide we had an excellent alternative, David. He was a very knowledgeable and interactive tour guide. Even thought we didn't see and manatees or dolphins we saw other things like mango crab and fiddler crabs in their own environment, not to mention the large assortment of birds. The tour was extremely relaxing and tranquil. Having David guide us was entertaining and educational. We highly suggest this guided tour to anyone wanting to see a mango estuary in its natural surroundings. Thank you Terri and David for a great time and tour!!! Again, we had the best time ever!!!