Beach Erosion in Long Beach, New York: What Sandy Confirmed, and What Remains Unknown
Long Beach is a city, not a village or a resort hamlet, built on a barrier island in Nassau County, on Long Island's South Shore. Its entire footprint is only 3.90 square miles, and more than a third of that, 1.68 square miles, is water; the remaining 2.22 square miles of land is less than a mile wide from the Atlantic Ocean to Reynolds Channel at its narrowest, and roughly three and a half miles long. A city built on that kind of narrow, water-bounded strip of sand is, by definition, exposed to coastal storms and shifting shoreline conditions, and this market's clearest, best-documented brush with that exposure came on October 29, 2012, when Hurricane Sandy struck and did more than $250 million in damage, destroying hundreds of vehicles and the city's boardwalk outright. This page walks through what is actually confirmed about that event and its aftermath, states plainly that no dedicated, present-day erosion-rate figure or named renourishment project specific to Long Beach beyond the Sandy boardwalk rebuild was confirmed during the research behind this page, and points readers to the U.S. Army Corps of Engineers and the New York State Department of Environmental Conservation for current data. It is also worth saying at the outset: this is the Long Beach on Long Island, in New York, not Long Beach, California; the two share a name and nothing else, and this page is about the New York city only.
A City on a Barrier Island, Not a Village on a Dune
Long Beach was settled in 1623, incorporated as a village in 1913, and became a city in 1922, which makes it the only genuine city, as opposed to a village or hamlet, among the Long Island oceanfront markets covered on this site. It sits in Nassau County, distinct from Suffolk County, where the Hamptons markets and Westhampton Beach are located, and it occupies Long Beach Barrier Island, bordered by Reynolds Channel on one side and the open Atlantic on the other. Real estate developer William H. Reynolds founded the modern city in 1906-1907 with an explicit vision of building "the Riviera of the East," and the Long Island Rail Road's 1880 extension to Long Beach drew 300,000 visitors in its very first season, establishing the beach-resort-turned-commuter-city pattern that still shapes the place today.
That history matters for understanding erosion exposure here, because a barrier island is, by its basic geology, a mobile landform: a strip of sand separating open ocean from a back bay, constantly reshaped by storms, tides, and longshore currents. Long Beach's 2.22 square miles of land carrying a population of 35,029, at a density of 15,795.5 people per square mile, dense enough to rank as the 34th-densest city in the country per the source behind this research, sit directly on that kind of narrow, physically exposed island. This page describes that exposure honestly without converting it into a specific, invented erosion-rate figure for this shoreline.
October 29, 2012: Hurricane Sandy's Confirmed Damage
Hurricane Sandy struck Long Beach on October 29, 2012, and its confirmed toll here is severe and specific: more than $250 million in damage, hundreds of vehicles destroyed, and the city's boardwalk destroyed outright. This is not a generalized coastal-storm risk statement; it is a documented, dated event with a dollar figure attached to it, and it stands as the clearest, best-confirmed erosion-and-storm-damage data point this research turned up for Long Beach specifically.
What Sandy's damage does not do, on its own, is establish an ongoing or current erosion rate for this shoreline. A single catastrophic storm event and a chronic, measured, year-over-year rate of shoreline loss are two different kinds of information, and this page keeps them separate rather than treating Sandy's damage total as a stand-in for present-day erosion data.
Rebuilding the Boardwalk: The Confirmed Figures
The Long Beach boardwalk that Sandy destroyed was originally built by William H. Reynolds as part of his Riviera-of-the-East resort vision, once carried an amusement park through the 1980s, and had already gone through a period of deterioration in the 1960s and 1970s before urban-renewal efforts began reviving it from the 1980s onward. Today it runs 2.2 miles along the ocean. After Sandy leveled it in 2012, the rebuild was funded by $39 million in FEMA grants and $4.4 million in state reimbursement, a combined, confirmed public investment of just over $43 million. The rebuilt boardwalk reopened in sections by July 2013 and was fully reopened by October 2013, roughly a year after the storm.
Those figures, the $39 million FEMA grant, the $4.4 million in state reimbursement, and the phased 2013 reopening, are the specific, confirmed dollar amounts and dates this page will cite for Long Beach's post-Sandy coastal recovery. No additional, itemized erosion-control or beach-renourishment project name or dollar figure beyond the boardwalk rebuild was confirmed during the research behind this page, and none is invented here to fill that gap.
What This Page Will Not Claim
This page will not state a specific current beach-erosion rate, in feet per year or any other unit, for Long Beach's shoreline, because no such figure specific to this market was confirmed during the research behind this page. It will not name a dedicated beach-renourishment or dune-restoration project distinct from the boardwalk rebuild, because none was confirmed. And it will not borrow erosion detail from any other market this site covers: not Montauk's separately reported erosion-management work, not East Hampton or Amagansett's own history, not Southampton, Bridgehampton, or Sagaponack's largely unconfirmed South Fork erosion picture, and not Westhampton Beach's chronic 1960s erosion crisis, its November 1992 nor'easter, or its mid-1990s relocation of fifteen historic houses. Those are separate, independently documented markets with their own facts, and none of that material describes Long Beach.
It is worth repeating plainly, given how easily the name gets confused in casual search results: this page is about Long Beach, New York, on Long Island's South Shore in Nassau County, not Long Beach, California. Any erosion, storm, or coastal-management information about the California city is irrelevant to a property decision in this Nassau County market.
A Denser, Commuter-City Market, Not a Resort Hamlet
It is worth being explicit about what kind of market sits on this exposed barrier island, because it shapes who should weigh Sandy's history and any future storm risk most heavily. Long Beach functions primarily as a bedroom community for New York City commuters via the Long Island Rail Road, not as a wealthy resort destination in the mold of Southampton, Sagaponack, Bridgehampton, Westhampton Beach, or East Hampton and Amagansett. Fewer than 40% of its housing units are detached houses, the 2019 American Community Survey put median household income at $97,022, and the city's population is 71.9% non-Hispanic white, 16.3% Hispanic or Latino, 6.2% Black, and 2.7% Asian. Notable past and current residents connected to Long Beach include Vernon and Irene Castle, who operated the "Castles by the Sea" nightclub, along with Billy Crystal, Derek Jeter, Joan Jett, Rick Rubin, MF Doom, Humphrey Bogart, James Cagney, and Rudolph Valentino.
A high-density, mostly-attached-housing commuter city sitting on a barrier island carries a different practical calculus around storm and flood exposure than a low-density resort community of large, detached, seasonal homes. That difference is a genuine part of Long Beach's identity as a market, and it belongs in the same conversation as Sandy's damage history, not as a separate, unrelated topic.
Long Beach's Governance Also Has a Resolved, Dramatic History
Separately from its coastal-storm history, Long Beach's governance carries its own settled, decades-old chapter worth knowing as context: the city was governed under a strong-mayor system until Mayor Louis F. Edwards was assassinated by a police officer in 1939, after which residents adopted the council-manager system still in use today, with a City Manager, Dan Creighton as of the research behind this page, leading day-to-day administration under five elected council members. That is a fully resolved historical event, not an ongoing dispute, and it is unrelated to the shoreline and boardwalk history above; the two should not be merged into a single narrative.
Long Beach's history includes other documented, darker chapters as well, among them the 1931 Starr Faithfull death case and Prohibition-era bootlegging scandals, alongside the more marketable legacy of Reynolds' original Riviera-of-the-East ambitions. None of that governance or social history changes the coastal-erosion facts above; it is included here only to keep the market's full, honest picture in view rather than presenting Long Beach as a blank, generic beach town.
Where to Get Current, Verified Erosion and Storm Data
Coastal protection and erosion management on Long Island's South Shore, including Long Beach's barrier island, are handled at the federal and state level. The U.S. Army Corps of Engineers is the federal agency responsible for coastal-protection projects in this region, and its current published materials are the right source for any active project's scope, funding, and engineering specifications as they apply to Long Beach specifically today, since none beyond the confirmed post-Sandy boardwalk rebuild was identified in the research behind this page. The New York State Department of Environmental Conservation is the state agency responsible for coastal management along this shoreline and is the right place to request current, professionally surveyed erosion data for this exact barrier island.
Before budgeting a purchase, rental, or relocation on this barrier island, a prospective buyer should ask the Army Corps of Engineers and the New York State DEC directly for current erosion and coastal-project data specific to Long Beach, ask the City of Long Beach's own building department for local coastal-engineering permitting history, get a current flood-zone determination from FEMA's Flood Map Service Center, and get a current insurance quote from a New York-licensed agent experienced with barrier-island coastal property. Nothing on this page is legal, engineering, or financial advice.
Adding It Up: What Is Real, and What We Will Not Invent
What is confirmed and real here: Long Beach is a 3.90-square-mile barrier-island city, 2.22 square miles of it land and 1.68 square miles water, less than a mile wide and about three and a half miles long, in Nassau County; Hurricane Sandy struck on October 29, 2012, causing more than $250 million in damage, destroying hundreds of vehicles, and destroying the city's boardwalk; and the boardwalk was rebuilt with $39 million in FEMA grants and $4.4 million in state reimbursement, reopening in sections by July 2013 and fully by October 2013. That sequence is genuinely documented and stands on its own, without borrowing Montauk's, East Hampton and Amagansett's, Southampton, Bridgehampton, and Sagaponack's, or Westhampton Beach's separate erosion histories.
What we could not find, and will not fill in with an invented figure: a current, precisely measured beach-erosion rate for Long Beach in feet per year or any other unit, and a dedicated, named beach-renourishment or dune-restoration project distinct from the confirmed post-Sandy boardwalk rebuild. Get current erosion and coastal-management information directly from the U.S. Army Corps of Engineers and the New York State Department of Environmental Conservation, a current flood-zone determination from FEMA's Flood Map Service Center, and a current insurance quote from a licensed agent before budgeting a purchase. And keep the geography straight: this is Long Beach, New York, on Long Island, not Long Beach, California. Nothing on this page is legal, engineering, or financial advice.
Ready to talk to a local Long Beach, NY agent?
Get a Free Agent Referral →Independent research. No ads. No sponsored listings. Data drawn from research on the City of Long Beach, New York, in Nassau County on Long Island's South Shore, including: its 1623 settlement, 1913 village incorporation, and 1922 city incorporation; William H. Reynolds' 1906-1907 development of the modern city with a "Riviera of the East" vision and Mediterranean-style architecture; the Long Island Rail Road's 1880 extension drawing 300,000 visitors in its first season; a total area of 3.90 square miles (2.22 land, 1.68 water) on Long Beach Barrier Island, bordered by Reynolds Channel and the Atlantic Ocean; 2020 census population of 35,029 at a density of 15,795.5 per square mile (34th densest city in the US per the cited source); 2019 American Community Survey median household income of $97,022 and racial/ethnic composition of 71.9% non-Hispanic white, 16.3% Hispanic/Latino, 6.2% Black, and 2.7% Asian; the council-manager city government adopted after Mayor Louis F. Edwards was assassinated by a police officer in 1939, with five elected council members and City Manager Dan Creighton as of this research; the 1931 Starr Faithfull death case and Prohibition-era bootlegging scandals; notable residents Vernon and Irene Castle, Billy Crystal, Derek Jeter, Joan Jett, Rick Rubin, MF Doom, Humphrey Bogart, James Cagney, and Rudolph Valentino; the 2.2-mile boardwalk built by Reynolds, its amusement-park era through the 1980s, its 1960s-1970s deterioration, and its urban-renewal revival from the 1980s onward; and Hurricane Sandy's October 29, 2012 landfall, causing over $250 million in damage and destroying hundreds of vehicles and the boardwalk, which was rebuilt with $39 million in FEMA grants and $4.4 million in state reimbursement, reopening in sections by July 2013 and fully by October 2013. No current (2026) beach-erosion rate in feet per year or any other unit, and no dedicated beach-renourishment or dune-restoration project name or dollar figure beyond the confirmed post-Sandy boardwalk rebuild, was independently confirmed during this research pass, and none is invented here. This page does not reuse Montauk's own erosion-management projects, East Hampton Village and Amagansett hamlet's own founding and wartime material, Southampton Village, Bridgehampton, and Sagaponack's own founding and governance material, or Westhampton Beach's own chronic 1960s erosion crisis, 1992 nor'easter, and mid-1990s house-relocation material, all of which belong to those separate, independently reported markets. This page is about Long Beach, New York, on Long Island, and should not be confused with Long Beach, California. Get current erosion and coastal-management information from the U.S. Army Corps of Engineers and the New York State Department of Environmental Conservation, a current flood-zone determination from FEMA's Flood Map Service Center, and a current insurance quote from a licensed agent before budgeting a purchase. Nothing on this page is legal, engineering, or financial advice.