Agate Beach County Park

Mackaye Harbor Rd.
Lopez Island, WA 98261

Agate Beach is on the southernmost tip of Lopez Island, with an amazing view of the water and Iceberg Point, part of the new San Juan Islands National Monument lands. At low tide, a sandy beach is accessible. Donated to the County by Seth Richey in 1948, the is one of Lopez Island's most beautiful spots. 

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