Cedar Beach Mount Sinai is a beautiful beach located in Miller Place, United States. The beach stretches for about a mile and features soft, white sand. Visitors can enjoy a variety of activities, including swimming, sunbathing, fishing, and boating. The beach also has a playground area for children. Restrooms and showers are available, and lifeguards are on duty during peak season. Dogs are not allowed on the beach. Cedar Beach Mount Sinai has many amenities including a boardwalk, picnic area, and concession stand for snacks and refreshments.