Located in the heart of Old Harbor, just steps away from the ferry landing, you’ll find Sullivan Sotheby’s International Realty. WE ARE Block Island’s oldest, most experienced real estate office. Formerly known as Sullivan Real Estate, our 2015 affiliation with the Sotheby’s International Realty® brand now offers our clients and customers the advantage of world wide exposure combined with local expertise and knowledge. WE ARE the largest rental agency on Block Island with over 100 homes. We handle an extensive offering of summer rentals in all sizes, locations and price points. We’ll help you make the perfect match for a memorable vacation. WE ARE a team of real estate professionals and our enthusiasm for Block Island shows! Let us introduce you to the island we know and love. Buying or selling a home is a life changing experience and our sales team is dedicated to assisting you every step of the way with integrity, discretion and competence. Our agents are adept at representing buyers or sellers on Block Island, and now, given our participation in Sotheby’s International Realty® global network, we can help you buy or sell property virtually anywhere in the world. Whether your goal is to find the perfect summer rental, to sell, or to purchase the home of your dreams, WE ARE ready to assist you at Sullivan Sotheby’s International Realty!