An open access geospatial data repository for the Pacific Region providing geophysical, geodetic, and marine spatial data sets.
Pacific Islands Ocean Observing System (PacIOOS) Voyager
An interactive map interface for visualizing and downloading oceanographic observations, forecasts, and other geospatial data and information related to the marine environment and beyond. Primary geographic focus at PacIOOS is on Hawaiʻi and other U.S.-affiliated Pacific Islands throughout Polynesia and Micronesia: American Samoa, Commonwealth of the Northern Mariana Islands, Federated States of Micronesia, Guam, Hawaiʻi, Republic of the Marshall Islands, and Republic of Palau. U.S. Minor Outlying Islands are also included.
Provides access to "high-value" data of federal agencies.
GeoPlatform.gov acts as a one-stop shop for geospatial data, with over 160,000 datasets registered in the Data Catalog
Download aerial photography, satellite imagery, elevation, and landcover datasets.
Natural Earth Data
Free vector and raster base data at 1:10m, 1:50m, and 1:110m scales for the entire world. Designed to meet the needs of production cartographers. Includes coastlines, continents, small islands, rivers, lakes, reefs, glaciers, bathymetry, administrative boundaries, roads, populated places, disputed areas, airports, railroads, urban areas, and more.
Free crowd-sourced data. Download data package for a large-scale area. Other data packages downloadable at these sites:
Regularly-updated copies of the complete OpenStreetMap database
Regularly-updated extracts of continents, countries, and selected cities.
Extracts for major world cities and their surrounding areas