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Prevost Harbor, WA

Stuart Island, near the US-Canada border, is one of the northernmost islands in the San Juans, and can only be reached by boat. Prevost Harbor has seven buoys and a 128-foot dock (256 feet total). Inside Prevost Harbor, there are plenty of deep water anchorages available if the park buoys and dock are full.

Lat/Lon: {48.678484,-123.197718}


Anchorage/Holding: Good
Mooring Ball: Yes
Dock: Yes
Protection: Good
Public/Private: Public
Fee: Yes
Fuel Available: No
Potable Water: No
Electric: None
Garbage: No
Pumpout: No
Maintenance: No
Groceries: No
Laundry: No
Liquor: No
Transportation: No
Cell Service: Average
WiFI: No

Pumpout dock nearby (floating barge) in Reid Harbor on Stuart Island.

Slowboat Tips and Activities

There are 3.5 miles of hiking trails on Stuart Island.

Entry/Exit Hazards

Photo Gallery


Stuart Island is one of many San Juan Islands known to have been used by Coast Salish peoples beginning more than 10,000 years ago. The island is most strongly associated with the Saanich peoples, who maintained a village there.

Stuart Island was first charted by Spanish explorer Francisco de Eliza in 1791. Eliza named the combination of Stuart Island and the adjacent Waldron Island Isla de Moralesa.

In 1841, American explorer and naval officer Charles Wilkes assigned the island’s present name during the United States Exploring Expedition. The name honored Frederick D. Stuart, who served as the captain’s clerk on the expedition. [source]


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Last update of this page: May 5, 2019

Last in-person visit by Slowboat team: May 5, 2019

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