An hour north of Atlanta sits a lake with around 700 miles of shoreline, more than 100 islands and enough sand to feel like a beach holiday — and it's entirely artificial. Lake Sidney Lanier was created in 1956 when the Army Corps of Engineers finished Buford Dam, backing up 38,000 acres along the Chattahoochee and Chestatee Rivers. That makes it the largest lake lying fully within Georgia (Clarks Hill and Hartwell are bigger, but they straddle state lines).

The scale explains the popularity: more than 10 million people visit each year. But the lake's sprawl — nearly 60 square miles of water and 76 public recreation areas — means you can choose your own atmosphere. The general rule: the lower end of the lake skews rowdy and party-oriented, while the upper end stays calmer and more family-friendly.

Beach options range from private resort sand at the Margaritaville Resort on Lanier Islands to the public beaches at Don Carter State Park, the only Georgia state park on the lake. Boaters get the most freedom: nearly a dozen marinas, roughly 100 boat ramps and plentiful rental outfits covering everything from kayaks to party boats. Popular anchor spots include the lively Lanier Islands, the more laid-back Sunset Cove, and quiet hideaways at Two-Mile Creek and Big Creek. Water skiing, tubing and sailing are all common, and the lake is deep enough for vessels of most sizes — check current regulations before you launch.

Staying over is easy. The Army Corps runs six campgrounds with local counties, totaling 427 campsites, most with water and electric hookups, and waterfront pitches at many of them. Don Carter State Park, on the northern end near Gainesville, adds another 44 serviced campsites, 16 primitive tent sites and eight two-bedroom cottages, plus a beach, boat ramps, a fish cleaning station and miles of hiking and horseback trails — it holds a 4.7-star Google rating.

Fishing is a year-round draw, with largemouth, spotted and striped bass plus crappie and catfish on the menu in any season. The lake has even been named the best US lake for fall foliage, so an autumn trip pairs colour with quieter water. Summer remains peak season for watersports, but Lanier works in any month, and access is simple: head up I-85 from Atlanta, with Hartsfield-Jackson International (ATL) as the closest major airport.