Bird watching, turtle watching, whale watching, body rafting, biking, hiking/trekking/walking tours, and night kayaking trips to the bioluminescent bays. Trips also offered to Culebra and Vieques Island.
Other Science nearby: (Lajas) Aleli Tours (Arecibo) Arecibo Observatory (Fajardo) Eco-Isleno (San Juan) Encantos EcoTours (Bayamon) Luis A. Ferre Science Park