Welcome to Mary Allen Realty. Top Real Estate Company on L.B.I. Long Beach Island NJ. Specializing in L.B.I. Vacation Rentals, L.B.I. Home Sales, L.B.I. Home Values and L.B.I. Real Estate. We are the leader in offering new and exciting technologies for Real Estate including 360 Walk-through Videos and Matterport Tours, Virtual Reality previews of Homes, Digital Signatures and Online Credit Card payments.