Ronkonkoma is a hamlet located in Suffolk County, New York, on Long Island. It is part of the Town of Islip and is known for its residential communities and convenient access to transportation, including the Long Island Rail Road. The area is named after Lake Ronkonkoma, the largest freshwater lake on Long Island, which is a popular spot for fishing, boating, and picnicking. Ronkonkoma also features various parks and recreational facilities, making it a desirable place for families and outdoor enthusiasts.