The OneKey® MLS is New York’s largest and most accurate multiple listing service. It was founded in 2018 due to a merger of the Long Island Multiple Listing Service and the Hundred Gateway Multiple Listing Service. Our service region encompasses Long Island, Manhattan, and the lower Hudson Valley, and we have over 45,000 participating realtors and thousands of houses for sale and rent. OneKey® MLS provides access to the most up-to-date New York metropolitan region listings. Our aim at OneKey® MLS extends beyond having regularly updated property listings on our website. Instead, we are changing what it means to be a multiple listing service by keeping a simple commitment to our customers. We are dedicated to providing our members with more extensive coverage, up-to-date data, and the most excellent tools and resources to help them create a more successful business.