Downtown Charleston SC Waterfront Homes For Sale. Oceanfront homes for sale Downtown Charleston SC. The Charleston SC area has all the waterfront living one could desire. Whether you prefer to live downtown or on one of the islands who doesn’t love riverfront or waterfront property? As you might imagine homes with views of the river or ocean cost a pretty penny regardless if it’s a house or a condo. The historic area of downtown Charleston is already the MOST expensive real estate in ALL of South Carolina. The real estate of downtown Charleston SC is almost always at risk of some sort of flood exposure given the fact that most of downtown is at or slightly below sea level so it is important that you are aware of flood insurance information before purchasing. If you’re not finding exactly what you’re looking for here, try looking at all the waterfront properties for sale in Charleston SC.