Fort Lamar James Island Homes For Sale | James Island Real Estate Listings For Sale MLS Ft Lamar community. Fort Lamar is located just outside Folly Beach about 5 mins and is close to two different public boat ramps. One of James Island older communities this beloved Charleston SC neighborhood usually has an average of 2 homes for sale on the market at one time. Many people find that its close proximity to Folly Beach, larger average property lot sizes , and no covenants/restriction (No HOA) very appealing. Many of the homes for sale are on a marsh front tidal creek called Seaside Creek which comes to 8 ft high tide twice a day.