St. Marys, GA

View of St. Marys, GA
Image credit: Legohead / CC BY-SA 3.0
Population
20,546
U.S. Census Population Estimates Program · 2025
Elevation
10 ft
Median Home Value
$312,300
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$1,183/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$74,288
U.S. Census American Community Survey 5-Year · 2024
General Quality
Overall rating out of 100

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About St. Marys

Tucked into Georgia's southeastern corner right along the Florida border, St. Marys has the quiet, easygoing pace you expect from a historic coastal town. Spanish moss hangs from live oaks along streets laid out in the late 1700s, leading straight down to the St. Marys River and wide saltwater marshes. Over the centuries, the river has driven local life, starting with early boatbuilding and timber shipping, later moving into a long era of paper milling, and settling into today's mix of naval activity and riverfront leisure. It feels tucked away from the bustle of larger cities, yet Jacksonville sits just thirty minutes south when you need an airport or major shopping centers.

St Marys City Limit

Daily life here is closely tied to Naval Submarine Base Kings Bay, which sits right next door. The base brings a steady flow of military families, civilian engineers, and contractors into the community, giving the area a friendly feel and a solid local economy. Main routes like Osborne Street connect the newer suburban neighborhoods near Georgia 40 and Interstate 95 down to the historic district on the river, where you will find local seafood spots, coffee shops, and city parks. A large former paper-mill site just north of downtown is undergoing long-term redevelopment, so anyone looking at nearby properties will want to check in on local planning updates as the waterfront continues to evolve.

St Marys Memory Garden

When shopping for a home, location relative to the water makes a big difference. Living on the coast means enjoying mild winters and sea breezes, but you will also want to keep hurricane season and storm tides in mind. Neighborhoods directly along the riverfront, marsh edges, and low spots around Point Peter are more prone to flooding, so checking flood maps, base elevation, and insurance costs is an essential first step. Coastal humidity and salty air are also part of everyday homeownership here, meaning regular maintenance on exterior paint, air conditioning units, and roofs goes a long way toward keeping a house in great shape.

St Marys Waterfront 3

Community life centers on the downtown waterfront, which doubles as the departure dock for Cumberland Island National Seashore. Locals and travelers catch the passenger ferry here to spend weekends camping among wild horses and quiet beaches. Back in town, Waterfront Park is a favorite gathering spot where people sit on the wooden swings, fish from the pier, or grab ice cream at sunset. The town comes together for outdoor summer concerts and the annual fall seafood festival, which fills the streets with food vendors and music. Between the active waterways, historic tabby ruins, and welcoming neighborhood vibe, St. Marys offers a relaxed coastal lifestyle with a strong sense of place.

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