Stonebridge Subdivison James Island (Charleston) at Seaside Plantation. Stonebridge is a Beazer Homes community in the Charleston. There were 7 homes plans available at the time of sale with square footage ranging from 1750-3200+ and as many as 6 bedrooms possible. Here you can see all MLS listings of the homes that were built in Stonebridge by price, number bedroom, size and more.