A concentrated field study that introduces students to the ecology of shallow, subtropical, marine environments. Lectures and laboratories are complemented with boat and snorkeling trips to coral reefs and other marine habitats in the vicinity of Long Key, Florida. Additionally, students work together in groups and conduct independent research on a selected marine habitat. The course includes a survey of the marine life of the Florida Keys, as well as investigation of the autecology of the organisms. The course is designed to suit both biology majors and non-majors. Students enrolled in the course live and study on location.