MarineCadastre.gov is an integrated marine information system that provides authoritative and regularly updated ocean information.
NOAA's DigitalCoast provides data, tools, and training to help communities with coastal issues.
National Ocean Council @ Data.gov offers data, information, and decision tools to support people engaged in regional marine planning for the future use of the ocean, our coasts, and the Great Lakes.
BOEM’s Environmental Studies Program Information System (ESPIS) presents text and map-based information about ongoing and completed studies.
Mid-Atlantic Regional Association Coastal Ocean Observing System (MARACOOS) covers the region from Cape Cod, MA to Cape Hatteras, NC for U.S. IOOS. It maintains the MARACOOS Assets Explorer mapping system.
Northeast Ocean Data Portal provides maps and data for ocean planning in the northeastern U.S.
The Delaware Coastal Programs Bay and Ocean Planner allows decision makers, planners and stakeholders to visually assess project impacts for permitting and planning purposes.
Maryland's Coastal Atlas mapping tool allows users to view ocean data and access to tools to understand and balance multiple ocean uses.
New York Geographic Information Gateway provides public access to data, real-time information, interactive tools and expert knowledge relevant to the Office of Planning and Development’s activities throughout New York State.
Virginia Coastal Geospatial and Educational Mapping System (GEMS) is a gateway to Virginia's coastal resource data and maps.