Blakely Island is in San Juan Islands of Washington State. It is the sixth largest island, encompassing a land area of 6.5 sq mi (17 km²). It is separated from Cypress Island to the east by Rosario Strait. If you're looking for an exciting adventure, keep on looking. But if you're looking for quiet and solitude than Blakely Island might be your destination.

Blakely Island was named by Charles Wilkes during the Wilkes Expedition of 1838-1842, in honor of Johnston Blakeley, a naval commander during the War of 1812.

There is no ferry service to Blakely Island. Access is only by boat or private ferry.

• 48.58519-122.814741 Blakely Island Marina, 8 Marine Dr (northern tip of the island), ☏ +1 360-375-6121, [email protected]. A small, sheltered marina with 10 slips available for visitors year round. (updated Jun 2025)

• Blakely Island General Store & Marina, 1 Marina Dr, ☏ +1 360 375-6121. this popular General Store is the only shop on the island. It's central location makes it a popular place for boaters to restock when exploring the islands and there is even an ice-cream & candy counter. 

• James Island Marine State Park, east of Decatur Island. This 113-acre marine camping and moorage park features a beautiful western view of the San Juan islands from a high bluff along the loop trail.