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Sucia Island
Sucia Island Map.png
Map of Sucia and surrounding islands
Sucia Island is located in Washington (state)
Sucia Island
Sucia Island
Location in Washington (state)
Location within the US state of Washington
Etymology from Spanish, meaning 'dirty, foul'
Location Strait of Georgia
Coordinates 48°45′13″N 122°54′48″W / 48.75361°N 122.91333°W / 48.75361; -122.91333
Archipelago Sucia Islands
Adjacent bodies of water Echo Bay, Shallow Bay, Fossil Bay, Mud Bay, Snoring Bay
United States
State Washington
County San Juan
Population 4 (2000)

Sucia Island is located 2.5 miles (4.0 km) north of Orcas Island in the San Juan Islands, San Juan County, Washington, United States. It is the largest of an archipelago of ten islands including Sucia Island, Little Sucia, Ewing, Justice, Herndon, the Cluster Islands islets, and several smaller, unnamed islands. The group of islands is about 2.5 miles (4.0 km) in length and just short of a half mile wide. Sucia island is roughly the shape of a hand. The total land area of all islands is 2.74 km² (1.058 sq mi, or 677 acres). The main island of Sucia Island by itself is 2.259 km² (0.8722 sq mi, or 558.1 ac). There was a permanent population of four persons as of the 2000 census, all on Sucia Island. Sucia Island State Park is a Washington State Marine Park.


Sucia Island's name originated with the Spanish Captain Francisco de Eliza, on his map of 1791. He named it "Isla Sucia". Sucia in Spanish means "dirty" or in a nautical sense "foul". This word was chosen because the shore was deemed dangerous due to reefs and hidden rocks.

These reefs and broken shorelines are from a geologic folding of the Earth's crust, which brought many interesting marine fossils to the surface. Some good examples can be found on the southeast arm of Sucia Island.

The isolated coves and bays of Sucia Island once served the Lummi Indians in their seal hunting days. They later provided excellent hideouts in the 19th century for smugglers.

The cluster of Sucia Islands was purchased in 1960 by the Puget Sound Interclub Association and later donated to the State of Washington for protection as a Marine State Park.

In 2012, a femur bone from a theropod dinosaur was discovered on the island.

270° Panorama of Echo Bay of Sucia Island, San Juan Islands, Washington. Photographed on the Summer Solstice at sunset during a small rain shower.


Sucia eagle
Young bald eagle soars over Sucia Island
  • Camping
  • Birdwatching|Bird watching
  • Hiking
  • Climbing|Rock climbing
  • Kayaking
  • Fishing
  • Scuba diving
  • Crabbing

These activities can be accessed from Sucia Island State Park and the Echo Bay Campground.


Shallow Bay

Sunset over the Shallow Bay anchorage

Shallow Bay on the island's west side is protected from all but westerly winds and waves. There are seven mooring buoys and room for 40-50 small pleasure craft in this anchorage. There are beaches on three sides including a sandy beach to the north. Pebble Beach in the center is the access point to the camping and moorage pay box, as well as a large group camping site with a covered eating area and environmentally friendly composting out-houses. True to its name, Shallow Bay averages 12 feet (3.7 m) deep. The anchor holding is good in sand but may be more rocky towards the center and mouth of the bay.

Echo Bay

Boats at anchor in Echo Bay

Echo Bay is directly opposite the island's narrow isthmus from Shallow Bay and the largest of the anchorages, and the most exposed, particularly to southeast winds. There are a number of mooring buoys close to a pebble beach.

Fossil Bay

Looking down at Dock 1 from the group campsite

Fossil Bay is one of the most popular anchorages, particularly for small boats that prefer to tie up to one of two docks rather than anchor or pick up a mooring ring. Fossil Bay is an inlet that opens to the southeast.

Fox Cove

Fox Cove lies just west of and can be seen from Fossil Bay. Fox Cove is bordered by Ev Henry Finger point and Little Sucia island.

Ewing Cove

Ewing Cove is between the northeast end of Sucia island and Ewing Island. There is room for several boats at anchor or at a mooring buoy. The pebble beach at Ewing Cove is at the end of a 2.1-mile (3.4 km) trail to the center of the island.

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