Kayak and paddleboard on the Saugatuck River at sunset Aug. 27 to benefit the Harbor Watch program at Earthplace.

The event, set from 5 to 7 p.m., will be based at DownUnder Kayaking, 575 Riverside Ave. Cost a ticket to the adults-only event is $45.

Paddlers will be accompanied by an Earthplace naturalist to discuss the ecology of the river.

Light dinner and drinks follow on shore as the sun sets.

Tickets can be purchased online at www.earthplace.org.