We did two tours with Pablo of Manuel Antonio Expeditions -- tour of Manuel Antonio Park and the evening boat tour of the mangrove forest. Both tours were very interesting and well done. We were able to see many different kinds of animals -- monkeys, sloths, and during the mangrove tour -- the rare silky anteater. You really need a guide during the MA park tour if you actually want to spot any animals (other than the many white face monkeys at the beach) and Pablo did a great job making the tour fun and educational. I really also recommend the evening mangrove tour, particularly if you've been running around doing adventure type stuff -- if is very relaxing, and with a very nice breeze, very comfortable. You will see more animals than you will remember. Pablo is very personable and makes the tour a blast. He is very passionate about Costa Rica and its unique animals and plants. The evening ended with a home-cooked meal at Pablo's house -- the meal was excellent and it also speaks to the friendliness and openness of Costa Rican culture. A very memorable experience.