This creative project is a field and laboratory guide major to the study of Marine Ecology in Long Island Sound, Connecticut. It provides students with basic instructions for collecting, preserving, testing, and analyzing data from field and laboratory investigations. The guide is designed as an open-ended investigative approach to the examination of the ecological aspects of the marine environment. It is arranged to incorporate the five ecosystems of the marine environment: salt marsh, estuary, rocky shore, open ocean, and sandy beach ecosystems. Included are techniques for thorough examination of the physical, chemical, and biological portions of these ecosystems.