Coleman Realtors - Locations in Barrington, Cumberland, East Greenwich, Watch Hill and Providence, non-franchise, residential brokerage firm. Lila Delman Real Estate - Specialists in luxury and waterfront real estate, including vacation rentals, in Newport and South Counties. Offices in Newport, Narragansett, and Watch Hill. Ocean Bay Realty - Search for real estate for sale using the MLS. Find comparable sales transactions to determine the value of property. Find information on mortgage rates and calculate monthly payments. Residential Properties Ltd - Real estate brokerage firm with four offices (Barrington, Cumberland, East Greenwich, and Providence) and over 75 full-time sales associates. Sullivan Real Estate - Offers real estate for sale or rentals on Block Island.