It’s time to register for the Islesboro Crossing. This year’s event will be held on Sunday, Aug. 18, but only a limited number of participants may take part, so preregistration is required.

The open water event starts on the beach at Point Lookout Resort in Northport and finishes just over three miles away on the island of Islesboro. It’s a fundraiser for LifeFlight of Maine, the state’s only emergency medical helicopter service. For more information, visit islesborocrossing.org.