Residential Land - Mantoloking, NJ Mantoloking 70 x 300 OCEANFRONT Lot. It doesn't get any better than this...Exceptional opportunity to design and build your own home in a prime East Ave location!C.A.F.R.A approved. Permit on file. Proposed dune constructed to EL 22' 1st Floor can be flush with the dune. Rock revetment wall in place with beach replenishment underway.