“Get Wet for a Good Cause!” at the 4th Annual Montauk Ocean Swim Challenge to benefit the future Aquatics Center at the Montauk Playhouse Community Center. There are three distance categories (half mile, one-mile, and two-mile) for swimmers of all ages and abilities. Swimmer check-in and same-day registration opens at 6:00 a.m. at the Kirk Park beach parking lot, just west of the Montauk IGA. All races end near the main parking lot at Ditch Plains Beach. Registration price includes swim cap, t-shirt and post-race breakfast. Organized by the East Hampton Volunteer Ocean Rescue Squad.