Leading Environmental Consulting and Marine Contracting Firm on Eastern Long Island, NY. Since 1975, First Coastal has helped thousands of property owners enhance and protect their coastal assets. First Coastal's mission is to provide professional environmental services to help coastal property owners with the preservation and protection of their property. We provide professional services and cost effective techniques, including all of the aspects from permits to construction to site monitoring. If you need help or assistance with any coastal issues, please call us. We would be happy to help.