Guests can celebrate the preservation of Charleston’s rivers, creeks, and harbors at Freehouse Brewery during Revel on the River. Sit under the hanging moss and listen to live music by She Returns From War and the Southern Flavor Bluegrass Band, while enjoying the scenic view. Sip on a wide selection of organic beers and eat food from the award-winning Roti Rolls food truck. Organized by Charleston Waterkeeper, fundraising efforts go toward keeping Charleston waterways clean. Freehouse Brewery, 2895 Pringle St., North Charleston. Saturday, 1-5pm. $45-$8. www.charlestonwaterkeeper.org