To promote the cities of astoria and warrenton, oregon and communities in the lower columbia river region, including the communities of knappa and svensen.

The chamber provides information about the local area to thousands of visitors and businesses each year. It also facilitates civic projects and economic development in the cities of astoria & warrenton and the communities of the lower columbia region. the chamber hosted the 30-year reunion for the filming of the goonies movie in astoria, oregon. for the annual crab festival, the chamber organizes and advertises the local event and provides boothes for food, beverage, and craft vendors. The event covers 3 days and draws thousands of tourists to the astoria area.