Lake Lanier is a popular place to swim, picnic on the bank, wakeboard and water ski. But if a sunset cruise is what you dream of, that wish can come true with a trip around Lake Lanier, courtesy of Chattahoochee Riverkeeper. The organization “dedicated to protecting and preserving the Chattahoochee River, its lakes and tributaries” said its sunset cruise promises to be a “unique opportunity” from 6:30 p.m. to 8:30 p.m. Saturday, July 21.