Wildwood State Park is a 767-acre (3.10 km2) state park located in Suffolk County, New York. The park is in the Town of Riverhead on the north shore of Long Island. The park includes a beach on Long Island Sound.The park offers a beach, a playground, picnic tables, hiking and biking, fishing, a campground with tent and trailer sites, cross-country skiing, recreation programs and a food concession.