Multiple Lising Service of Long Island, Inc.

OneKey® MLS is the largest MLS in New York with more than one million listings. We serve 45,000 real estate professionals with impeccable data and technology.

The Long Island Board of REALTORS®, Inc. (also known as LIBOR) is a 25,000 member not-for-profit trade association that serves real estate professionals throughout Nassau, Suffolk and Queens counties. ... The Multiple Listing Service of Long Island, Inc. (MLSLI), is a computerized network of more than 2700 cooperating real estate offices, located across Nassau, Suffolk and Queens counties. ...