Let Castillo Sightseeing Tours plan the best of days of your vacation, on land or water! Snorkel and picnic on day sails to deserted beaches aboard the Barefoot III and Stampede catamarans. Deep-sea fishing, half or full days, aboard the luxurious 48-foot Hatteras. Explore 500 years of history, culture and tradition on our many land tours-to the magnificent rainforest, Rio Camuy Cave Park, Old San Juan and the world famous Bacardi Rum Distillery!