On Tuesdays and Thursdays, go on a May River Expedition aboard research vessel Spartina with by Marine Biologist, Captain Amber Kuehn, from 10 a.m.-noon in March, April and May 2017. This two-hour exploration of Bluffton’s May River will allow participants to observe nature up close with a display of live organisms. Expeditions leave from the Calhoun Street Dock in Bluffton, adjacent to the Church of the Cross. $40 for adults and $30 for children (ages 12 years and under). Reservations are required, contact the Coastal Discovery Museum at (843) 689-6767 ext. 223 or visit coastaldiscovery.org.