The Five U.S. States That Touch the Pacific Ocean
Exactly five U.S. states have Pacific coastline:
- Alaska — 6,640 mi (10,686 km) (including islands); longest coastline of any state. Gulf of Alaska, Bering Sea, Arctic Ocean (north).
- Washington — 157 mi (253 km) outer coast; 3,026 mi including Puget Sound. Olympic Peninsula, Seattle metro.
- Oregon — 296 mi (477 km). Rugged, cliff-lined, few harbors. Columbia River mouth.
- California — 840 mi (1,352 km). Iconic beaches, LA/SD/SF metros, Channel Islands.
- Hawaii — 750 mi (1,207 km) (general coastline); 1,052 mi (tidal shoreline). Only island state; volcanic shores, coral reefs.
📊 Coastline Stats (NOAA)
| State | General Coastline | Tidal Shoreline |
| Alaska | 6,640 mi | 33,904 mi |
| Hawaii | 750 mi | 1,052 mi |
| California | 840 mi | 3,427 mi |
| Washington | 157 mi | 3,026 mi |
| Oregon | 296 mi | 1,410 mi |
🚫 Not Pacific
States often confused: Arizona, Nevada, Idaho, Montana, Wyoming, Colorado, New Mexico, Utah — all landlocked or drain to Gulf of California (Colorado River) / Great Basin / Atlantic/Arctic.
These five states frame the eastern rim of the Pacific Ring of Fire—earthquakes, volcanoes, tsunamis, and some of the world's most productive marine ecosystems.