Many communities along the Northeast remain vulnerable to coastal flooding. The Comprehensive Study identified nine high-risk focus areas that warrant additional analysis. They are (in no particular order): 1) Rhode Island Coastline; 2) Connecticut Coastline; 3) New York-New Jersey Harbor and Tributaries; 4) Nassau County Back Bays, New York; 5) New Jersey Back Bays; 6) Delaware Inland Bays and Delaware Bay Coast; 7) the City of Baltimore; 8) the District of Columbia; and the 9) the City of Norfolk.