House Prices

South of Montauk Islip, NY House Prices & Home Values 2026


Average Data

average house price$757,847
average size per house2398 ft²
average price per ft²296 $ / ft²

06/24/2026 - The value range (VR) for house prices in South of Montauk Islip, NY is $281.2/ sqft to $310.8/ sqft. An average home with 2398 sqft costs approximately $631,162 to $697,600. Islip, NY includes 1 ZIP codes and it is located in Suffolk county. The lowest prices are found in ZIP 11751, while the highest are in ZIP 11751. The average price per sqare feet is $296. Our analysis is based on 6 property listings.

Avergage prices by ZIP codes South of Montauk Islip

11751300 $ / ft²




Historical development of home values in South of Montauk Islip

Year Estimated value (USD) Change vs. 2025
2010 $351,958 -53.6%
2011 $338,348 -55.4%
2012 $337,437 -55.5%
2013 $350,049 -53.8%
2014 $367,455 -51.5%
2015 $386,314 -49.0%
2016 $406,475 -46.4%
2017 $428,414 -43.5%
2018 $452,099 -40.3%
2019 $473,062 -37.6%
2020 $497,517 -34.4%
2021 $565,872 -25.3%
2022 $659,680 -13.0%
2023 $695,663 -8.2%
2024 $735,908 -2.9%
2025 $757,847 0.0%

Graph: estimated home values in South of Montauk Islip over time (USD)



Example: 100% financing house in South of Montauk Islip

Loan amount: $757,847

Interest rate: 5.62%

Fixed monthly payment: $4,358.29

Breakdown in the 1st month:
Interest portion: $3,546.72  –  Principal portion: $811.57

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $42,306.06 $9,993.41 $747,853.59
2 $41,730.16 $10,569.32 $737,284.27
3 $41,121.06 $11,178.41 $726,105.86
4 $40,476.87 $11,822.60 $714,283.25
5 $39,795.55 $12,503.92 $701,779.33
6 $39,074.97 $13,224.50 $688,554.83
7 $38,312.87 $13,986.61 $674,568.22
8 $37,506.84 $14,792.63 $659,775.59
9 $36,654.37 $15,645.11 $644,130.48
10 $35,752.76 $16,546.71 $627,583.77
11 $34,799.20 $17,500.27 $610,083.50
12 $33,790.69 $18,508.78 $591,574.72
13 $32,724.06 $19,575.41 $571,999.31
14 $31,595.96 $20,703.51 $551,295.80
15 $30,402.85 $21,896.62 $529,399.18
16 $29,140.99 $23,158.49 $506,240.69
17 $27,806.40 $24,493.07 $481,747.62
18 $26,394.91 $25,904.57 $455,843.06
19 $24,902.07 $27,397.40 $428,445.66
20 $23,323.20 $28,976.27 $399,469.39
21 $21,653.35 $30,646.12 $368,823.26
22 $19,887.26 $32,412.21 $336,411.05
23 $18,019.40 $34,280.07 $302,130.98
24 $16,043.90 $36,255.58 $265,875.40
25 $13,954.55 $38,344.93 $227,530.48
26 $11,744.79 $40,554.68 $186,975.80
27 $9,407.69 $42,891.78 $144,084.02
28 $6,935.91 $45,363.56 $98,720.46
29 $4,321.69 $47,977.79 $50,742.67
30 $1,556.80 $50,742.67 $0.00

Note: The calculation is based on a standard annuity mortgage with a fixed monthly payment over the entire term. Extra payments, interest rate changes, and additional purchase costs (e.g. taxes, notary fees) are not included.


How to sell in South of Montauk Islip, NY


1500 sqft3900 sqft
Ø selling price$502,857$1,069,714
Ø fast selling$457,143$962,742
Ø high price sale$548,571$1,176,685

In 2026, houses in South of Montauk Islip, NY will be offered at an average price of $296 per square foot. A 1,500 sqft home priced at $502,857 is 21.53% more expensive per square foot than a 3,900 sqft home priced at $1,069,714. Home prices in South of Montauk Islip, NY vary significantly depending on the property’s condition and exact location. For a quick sale, a 2,700 sqft home should be listed at around $740,571. Sellers who can wait longer may achieve a higher price of up to $905,142.

FAQ – Home Values in South of Montauk Islip

What is the median home value in South of Montauk Islip in 2026?

In 2026, the typical home value in South of Montauk Islip is about $757,847 for an average home size of 2398 square feet. This corresponds to an average price of roughly $296 per square foot.

What is the average cost per square foot in South of Montauk Islip?

In 2026, homes in South of Montauk Islip sell for an average of around $296 per square foot, with a typical range between $281.2 and $310.8 per square foot, depending on the property’s location, condition, and lot size.

What is the average home size in South of Montauk?

The average home size in South of Montauk Islip is about 2398 square feet, with an estimated 2026 value around $757,847.



Neighborhoods close to South of Montauk Islip, NY

West Birchwood Jericho, NY439 $ / ft²
San Remo Kings Park, NY297 $ / ft²
Encore at Lake Grove Lake Grove, NY199 $ / ft²
The Greens at Half Hollow Melville, NY380 $ / ft²
South Huntington Huntington Station, NY148 $ / ft²
Huntington Village Huntington, NY216 $ / ft²
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