Welcome to Oneir Realty of Southwest Florida! We are your one source for all real estate information and services on Marco Island & in Naples, FL. We hope you enjoy your visit and explore everything our realty website has to offer, including Marco Island real estate listings, homes for sale, condos for sale and lots. Oneir Realty has been exclusively listing and selling Real Estate on Marco Island and Naples, Florida for over 30 years. As hometown Realtors, we provide an unparalleled customer-first service. Our team of professional agents and full-time staff is dedicated to providing you with the highest level of service, often exceeding your expectations.