In an area of shifting sands, the Suffolk County Supreme Court in Semlear, et al. v. Albert Marine Construction, Inc., delineated property rights landward of the crest of the dune, the “line of demarcation”, and the rights of the Southampton Town Trustees to regulate the placement of shoreline protection structures along the beaches of the

beach erosionThree distinct common law rules deal with the capricious nature of the shoreline.  These terms are referred to in the legal community as accretion, erosion and avulsion.

“Accretion” is the term which applies to the gradual increase or acquisition of land by the action of natural forces washing up sand, soil or silt from the