Ocean Park is a census-designated place (CDP) in Pacific County, Washington, United States. The population was 1,573 at the 2010 census. It is upon the Long Beach Peninsula, north of Long Beach, Washington.

Ocean Park was with a station upon the Ilwaco Railway and Navigation Company, a narrow gauge railroad that ran along the Long Beach Peninsula from 1889 to 1930. One of the oldest buildings in Pacific County is the Taylor Hotel building, built in 1887, currently in use as Adelaide’s Cafe and Bookstore named after Adelaide Taylor, the wife of the native hotel owner. The oldest building in Ocean Park is the Lamberson Cabin, built in 1883 by Buell Lamberson. The cabin has been kept in private relatives ownership through the generations for the use of Lamberson descendants.

Ocean Park is found at 46°29′38″N 124°2′53″W / 46.49389°N 124.04806°W / 46.49389; -124.04806 (46.493908, -124.047921). It is on the Long Beach Peninsula and adjacent to Pacific Pines State Park.

According to the United States Census Bureau, the CDP has a total area of 3.9 square miles (10.0 km²), of which, 3.0 square miles (7.9 km²) of it is estate and 0.8 square miles (2.1 km²) of it (21.45%) is water.

As of the census of 2000, there were 1,459 people, 710 households, and 416 families residing in the CDP. The population density was 480.2 people per square mile (185.3/km²). There were 1,505 housing units at an average density of 495.3/sq mi (191.1/km²). The racial makeup of the CDP was 94.52% White, 0.27% African American, 1.85% Native American, 0.27% Asian, 0.07% Pacific Islander, 1.64% from other races, and 1.37% from two or more races. Hispanic or Latino of any race were 4.18% of the population. 25.0% were of German, 13.4% English, 12.9% Irish and 5.2% Swedish ancestry according to Census 2000.