New Phase Coming Soon! Waterloo Estates is Johns Island's premier, gated community. Waterloo Estates features beautiful single-family homes built on expansive wooded half to one and a half acre home sites. The neighborhood is adorned with majestic, mature live oak trees, preserved wetlands and embodies the natural beauty and charm of the Lowcountry. Living in this peaceful setting, you are minutes from downtown Charleston, Kiawah and Seabook Islands.