Hilton Head Island Real Estate Sales. Call Charles Sampson Group of Charter One Realty At 843-384-7300 Today! If you are looking for a house, a condo, a villa in Hilton Head Island, or anywhere in the Lowcountry, you will be in good hands with Charles Sampson Group of Charter One Realty. We will make it work and do all of the follow-through work. Charles Sampson Group of Charter One Realty 81 Main Street #202 Hilton Head, SC 29926 (843) 348-7300 https://mgyb.co/s/glOOI