The land under this hamlet was reportedly bought with a handful of eel spears.
As the story goes, John Mowbray, a schoolteacher, acquired the tract from the Secatogue in 1708 and paid in fishing gear. Queen Anne validated the purchase the same year. Whether the eel spears are literal or the kind of detail that grows in the retelling, the 1708 transaction is the one every account starts from.
I'm Thomas Brady, a Licensed Associate Real Estate Broker and Director of Operations at Vintage American Realty. I work with buyers and sellers in Bay Shore and throughout Central and Western Suffolk County.
I'd rather give you an honest read you don't want to hear than an agreeable one that costs you money later.
The Secatogue knew this stretch as Penataquit, usually translated as crooked creek. What came after is one of the stranger naming records on the South Shore. The recorded sequence runs Penataquit, then Awixa, then a stretch as Sodom, then Mechanicsville in 1842, then back to Penataquit in 1849 — before finally landing on Bay Shore, reportedly because Penataquit was too hard to spell. I'd treat the middle of that sequence as folklore that's been repeated more often than it's been documented; the early and late ends are on firmer ground.
The oldest thing here predates all of it. Sagtikos Manor, on Montauk Highway in West Bay Shore, was built around 1697 by Stephanus Van Cortlandt, the first native-born mayor of New York City. The British army used it as a Long Island headquarters during the Revolution, and George Washington recorded an overnight stay there in 1790 on his tour of the island. The Thompson and Gardiner families held it for roughly two centuries, expanding it to 42 rooms. Suffolk County bought the remaining ten acres in 2002, and the Sagtikos Manor Historical Society runs guided tours through the summer season.
One footnote I enjoy: the 1902 wings that brought the house to its final size were designed by Isaac H. Green Jr., the Sayville architect who also expanded Meadow Croft for the Roosevelts. The same hand shaped two of the biggest houses on this coastline.
Ferry service to Fire Island started running in 1862, and the railroad turned the hamlet into a resort. By the 1880s Bay Shore was being marketed as the Garden Spot of Long Island, full of hotels and summer estates. For a year or two around 1915 it even had a run as a silent film production center.
That estate era is why the housing stock here is so uneven. The big waterfront properties were broken up over the twentieth century, so within a short drive you'll find turn-of-the-century houses on generous lots, dense postwar development, and condominiums built beside the train station in the late 2000s. Downtown followed the familiar arc — decline, then a long rebuild starting in the 1980s that produced the Main Street, the marina and the waterpark you see now, along with the YMCA Boulton Center in a converted theatre.
Bay Shore is also a working hub in a way its neighbors aren't. South Shore University Hospital — the former Southside Hospital — anchors a substantial medical presence, the ferries to Ocean Beach, Saltaire, Fair Harbor, Kismet and other Fire Island communities leave from here, and the Montauk Branch station puts Manhattan in reach. The Bay Shore-Brightwaters Public Library was established as a free library in 1901 and serves both communities from its building in Brightwaters.
One thing worth getting straight early. Bay Shore, North Bay Shore and West Bay Shore are three separate places, not neighborhoods of one. Brightwaters next door is an incorporated village with its own government — see the village's own site — while Bay Shore itself is unincorporated and part of the Town of Islip. The names blur together in conversation and in listing data, and they don't describe the same market.
Head west and you're straight into West Islip. East along Montauk Highway you pass through Islip on the way to Oakdale, where my office is, and beyond it Sayville. Everywhere I work is listed on my areas covered page. If you need an agent in Eastern Suffolk, Nassau County or Queens, just let me know and I'll put you in touch with one of our agents who works that area.
The figures here come from closed MLS sales rather than a website's estimate, and they describe Bay Shore as a whole rather than any one address.
Closed sales over the twelve months.
Half sold for more, half for less.
From the day a home was listed to the day it went into contract.
From September through February, 142 homes sold at a median of $636,000, taking a median 26 days to go into contract. From March through August, 149 sold at a median of $650,000 — in exactly the same 26 days.
That's worth pausing on. Almost every town around here speeds up in spring: Holbrook went from 20 days to 16, West Islip from 29 to 16, Hauppauge from 32 to 17. Bay Shore didn't move at all. Prices drifted up slightly, but the pace of the market in June was the pace of the market in December.
192 of the 291 homes sold at or above their original asking price. The typical sale was listed at $625,000 and closed at $640,000. Seller by seller, the median home finished about $11,000 above its own asking price, roughly 1.6%.
The 99 sellers who reduced took a median 54 days to reach contract, compared with 19 days for the group that held its original price, and they closed roughly 4% below their opening price.
The reduced-price group took substantially longer to reach contract and ultimately closed below its original asking price. That's a strong warning against assuming an ambitious opening number can always be corrected later without consequence.
| Sale price | Homes sold | Days to contract | Got full asking price |
|---|---|---|---|
| Under $500,000 | 22 | 36 | 1 in 3 |
| $500,000 – $600,000 | 69 | 36 | 2 in 4 |
| $600,000 – $700,000 | 107 | 23 | 3 in 4 |
| Over $700,000 | 93 | 23 | 3 in 4 |
Below $600,000, homes took over five weeks to go into contract and only about half got their asking price. Above it, they went in three weeks and three quarters got their number. The line is sharp and it sits in the same place all year.
Bay Shore covers a lot of ground and a lot of different housing, and a town-wide median is a blunt instrument here. Which side of $600,000 your house falls on tells you more about what to expect than the headline figure does.
Buyers often set maximum search prices at round numbers, so a home just above one can miss buyers who would otherwise consider it. In this Bay Shore data, 328 of 559 listings were positioned just under a round number.
The $600,000 area deserves particular attention because the market data also changes noticeably above and below it, but positioning only helps when the underlying asking price is supported by comparable sales.
67 Bay Shore homes came off the market over these twelve months without selling and didn't come back. Set against 291 sales, that's close to one in five of everything listed.
Here's the part that surprised me. Those failed listings had a median asking price of $649,999. Homes that actually sold were listed at a median of $625,000 and closed at $640,000. So the failures were asking about $10,000 above what the town was paying — not a wild number, and nowhere near the gap I found in other towns.
And nine out of ten of them never reduced their price. Not once, over the whole life of the listing.
The combination is worth noticing, but it doesn't prove why those 67 listings failed. Nine in ten never reduced, while the failed group opened only modestly above the successful group's median asking price.
Another useful clue is that 17 Bay Shore homes failed on one listing and later sold on another, many at a similar asking price. That reinforces the point that price is not the only variable: presentation, photography, showing access, listing accuracy, timing and other property-specific factors can matter too.
If a listing expires, it deserves a fresh review rather than an automatic price cut. Every listing I take comes with a written cancellation guarantee.
63 Bay Shore homes are on the market at a median asking price of $679,900, roughly 6% above where sales have been closing. Another 67 are in contract, slightly more than are available.
Only 7 of the 63 have been sitting past 90 days without going into contract. For a town this size that's a relatively small stalled share, but a listing at that age deserves a fresh look at price, presentation, showing access and the rest of the strategy rather than simply waiting.
So the pipeline is healthy and relatively little is stuck. The 19-day versus 54-day split is a strong reason to start with a defensible number, but it should be read as a difference between groups of properties rather than proof that pricing alone caused every outcome.
None of this tells you what your own house is worth. I can give you a price range from the sales without seeing it, but a firm number means walking through the house and comparing it against the homes a buyer would genuinely weigh it against.
Source: OneKey MLS, September 2025 through August 2026; homes for sale, in contract, and off the market as of early September 2026. These figures describe Bay Shore as a whole and are not an estimate of any individual property's value.
The $640,000 median describes Bay Shore as a whole, but this market includes very different property types and housing eras. Property type, lot, condition, location, improvements and the comparable sales a buyer would actually consider can move an individual home well above or below that number.
I prepare valuations personally using the property and relevant comparable sales rather than relying solely on an automated estimate.
Request My Bay Shore Home Valuation →Homes here move when they're priced properly, but that doesn't make an ambitious opening price harmless. The strongest attention usually comes when a listing is new, and buyers can see the price history if it later changes.
I'll compare the property with relevant closed sales, current competition and what's under contract, then explain the opening number I believe the market supports.
Coming down is always possible. Getting a fresh first impression is not.
Bay Shore's housing varies enough that a 1910 house on a deep lot, a postwar ranch and a newer condo can sell near each other without being useful comparables.
Pricing yours means identifying the sales that genuinely correspond to it — property type, era, lot, condition and location — rather than relying on a broad average.
I'll show you which sales I'm using and why. I can start with a range without a visit; seeing the property lets me make a more informed comparison and narrow it.
Because Bay Shore's housing stock varies so much, the right preparation depends on the house. Before committing to a large renovation, let's look at what is actually likely to help the sale and what may not return its cost.
Sometimes the better choice is to price the property as it stands and let the buyer make their own improvements. Inspection-related repairs are also something to evaluate case by case rather than automatically taking on every project yourself.
A sticking window, soft trim or a damp-smelling basement can shape a buyer's first impression, particularly in an older house. These aren't necessarily major problems, but visible maintenance items are worth addressing before photos and showings when practical.
A direct cash offer can make sense when speed, condition or simplicity matters, but the buyer making that offer isn't competing against anyone else. An open-market listing can expose the property to cash and financed buyers and let you compare both price and terms.
An older or tired house can still be marketed; condition simply becomes part of the pricing and buyer pool.
Before accepting a direct offer, find out what your Bay Shore home could reasonably bring on the open market and decide whether the convenience is worth the difference.
Real estate commissions are negotiable. One option I offer Bay Shore homeowners is a 2% full-service listing fee for my side of the transaction — MLS listing, professional photography, marketing, showing coordination, and my attention on the listing straight through to closing.
If a second brokerage brings the buyer and asks you to compensate them, that gets negotiated as one more term of the offer, alongside price and closing date.
If I personally bring the buyer, there's no additional buyer-agent fee — your total commission would be 2%.
You'll see the full cost breakdown in writing before you sign anything.
Every seller I list gets a written cancellation guarantee, explained before anything is signed. I want you to continue working with me because you're satisfied with the job I'm doing, not because you feel trapped by an agreement.
You can sell For Sale By Owner (FSBO). That means taking responsibility for pricing, photos, marketing, inquiries, showings, buyer qualification, offer evaluation and the steps between an accepted offer and closing.
If you want a second opinion, I'm happy to discuss pricing, marketing or an offer. The highest number isn't automatically the strongest offer once financing, contingencies and the likelihood of closing are considered.
If you decide you'd rather hire an agent, I'd appreciate the opportunity to earn the business.
Try pricing a home, comparing offers, and responding to inspection requests—with my advice along the way.
What a 2% listing covers is written out in full — the photography, the marketing, all of it. Worth reading before you sign with anybody, me included.
I prepare valuations personally rather than relying on an automated estimate.
A century of building styles in a few square miles, a hospital, a train, and boats to Fire Island — there's a lot going on here, and it isn't all the same market.
Planning a purchase in Bay Shore? My free Long Island home buyer course walks through financing, offers, inspections, and closing, with a printable workbook to help you prepare.
Bay Shore, North Bay Shore and West Bay Shore are separate communities, and Brightwaters beside them is an incorporated village with its own government. Listing sites and market reports blur all of this together. Know which one a house is actually in before you draw conclusions from an area statistic.
The Bay Shore school district reaches past the hamlet and takes in Brightwaters as well, so district lines and community lines don't match up. If schools factor into your decision, confirm the district and schools for the exact address rather than working from the town name.
An estate-era house, a postwar ranch and a 2000s condo carry completely different maintenance futures, and the listing photos flatten that distinction. What matters is what's behind the walls and how the house has been kept, which is a conversation to have while we're standing in it.
There's no template, and in Bay Shore the usual shortcut of relying on the area median is less useful than almost anywhere else I work.
What counts: the handful of sales that genuinely resemble the house, how much attention this listing has drawn, how solid your financing looks to a seller weighing several offers, and what flexibility you have on dates. A number that made sense in spring can be off the pace by late summer.
You'll get my recommendation and the thinking behind it. What you offer stays your decision.
If the draw is the downtown, the train and the water, Bay Shore delivers that and we'll stay put until the right house comes up.
But if you're really after a particular lot size or a different price bracket, tell me early. Oakdale and Sayville east along the shore, or West Islip and Islip nearby, each shift the equation. Better we work that out at the start than after two months of showings.
Usually there's a lever or two, depending on the transaction. A seller concession toward allowable closing costs is the one worth asking about most often.
I also offer something of my own: a 20% buyer commission rebate. When I represent you in a purchase, Vintage American Realty rebates you 20% of the buyer-agent commission the brokerage receives from your transaction.
On a $10,000 buyer-agent commission, that comes back to you as $2,000.
I hold this to three active buyer clients at a time, so it never costs you the attention you came for.
Ask whether a rebate spot is open right now. It's paid after closing, by check from Vintage American Realty.
If you haven't bought a house before, the buyer side walks through it in order — what happens first, what happens next, and what it costs you.
Real estate commissions are negotiable. Buyer-agent compensation is established in the buyer representation agreement and the transaction itself.
We will go over the listing with a fine-tooth comb and see why it failed. Most people assume pricing, but that's not always the case. I once showed a 3-bedroom, 1.5-bath house with oil heat. We got there, and it was actually 4 bedrooms and 2 full baths with gas heat. I asked the owners about the discrepancy, and they said they'd been trying to correct it but couldn't reach their listing agent. A listing can fail for many reasons; we will get to the bottom of it and correct it.
They should get pre-approved. A lot of buyers think they know their price range. They'll start looking at $900,000 homes and then find out they can only afford $600,000 homes. How many $600,000 homes will appeal to them after looking at $900,000 homes? Conversely, if you can pay $900,000 and you look at $600,000 homes, you've probably wasted your time.
Not automatically. Dual agency is only created if representation is asked for and granted. Otherwise, it's the buyer dealing with the listing agent, and all the buyer is due is honest dealings; they don't get fiduciary counsel.
More than most towns, the answer depends on the individual house. With estate-era homes, postwar ranches and newer condominiums all in the same market, the area median tells you very little. I can start you with a range from comparable sales if you'd rather not have anyone through yet; pinning it down to one figure means seeing the property.
The Secatogue called the area Penataquit, generally rendered as crooked creek. Local accounts describe several name changes through the 1800s before Bay Shore stuck — reportedly because Penataquit gave people too much trouble to spell. Some of the intermediate names are better documented than others.
No — it's unincorporated, governed as part of the Town of Islip. That means no village board and no village line on your tax bill. Brightwaters, immediately west, is incorporated, which puts it in an entirely different category.
No — three separate communities within the Town of Islip, with different housing and different price ranges. Market data reported under the Bay Shore heading often combines them, which is worth remembering whenever you see a single number quoted for the area.
The Bay Shore district covers much of the hamlet and also serves the Village of Brightwaters, so the district doesn't line up neatly with community boundaries. Check the assigned schools and district for the specific house before you rely on them.
Real estate commissions are negotiable.
One option I offer is a 2% full-service listing fee for my side of the transaction. If another brokerage brings the buyer and requests seller-paid compensation, that gets negotiated as part of the offer.
If I personally bring the buyer, there's no additional buyer-agent fee — your total commission would be 2%.
Yes. Every seller I represent gets a written cancellation guarantee, spelled out before anything is signed.
You can. If a second opinion would help at any stage — the price you've set, how it's being marketed, or an offer in hand — I'm glad to take a look.
Yes. Qualifying buyer clients receive a 20% rebate of the buyer-agent commission Vintage American Realty receives on their purchase, capped at three active buyer clients at a time so it never costs anyone attention. Paid after closing by check from the brokerage.
Yes. I'll go through a property with you, tell you plainly how it compares to the alternatives, and help you settle on an offer.
Anything that worries me about a house, you'll hear about from me first.
I'm Thomas Brady, a Licensed Associate Real Estate Broker and Director of Operations with Vintage American Realty. I've been a full-time real estate professional since 2009.
Before real estate, I spent 20 years with the NYPD and retired as a Lieutenant. I'm also a U.S. Air Force veteran. Those careers probably have something to do with the way I handle real estate today. I like facts, I ask questions and I don't believe in making something more complicated than it needs to be.
I've participated in some very high-stakes negotiations in my life, and I put those skills to work for every client I represent.
I hold the SFR®, e-PRO®, SRES®, BPOR and C-REPS designations and certifications. Vintage American Realty is a family-owned independent Long Island brokerage. My daughter, Edana Kiernan, is the owner and broker.
Whether you're listing, looking, or just want a straight answer about what your house would bring — get in touch.
Contact Thomas →