Matthews Beach Park
Seattle, United States · built 1951
Matthews Beach Park is a 22-acre (0.9 km2) park in the Matthews Beach neighborhood of Seattle, Washington. It is a popular swimming beach in the summer, although it is also open during winter months. The park also hosts an annual "Polar Bear Plunge" sponsored by Seattle Parks and Recreation on New Year's Day.
Park data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).