Home to approximately 2000 residents, Hayden Island is located in the Columbia River between Vancouver, WA and Portland, OR. Interstate 5 is the only roadway connection to the island, which is the largest complex of yacht and floatings homes on the Columbia River. The west side of Hayden Island is unincorporated and undeveloped. The developed parts of the island are largely located within Portland city limits. Jantzen Beach center provides ample access to shopping, groceries, and restaurants.