18 Shell Walk is a 1,536 square foot house on a 6,970 square foot lot. - it last sold on July 06, 2005 for $690,000. Based on Redfin's Bay Shore data, we estimate the home's value is $1,010,342.
Single-familyProperty Type
1968Year Built
6,970 sq ftLot Size
$658Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,010,342
$320K since sold in July 2005$14K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 31.7% lower than the average sale price ($1.48M) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
BAA
Residence BAA District
It is the Town Board's intent to provide for the health, safety and welfare of residents and visitors of Islip on both the mainland and the barrier beach known as Fire Island by the protection of the barrier beach through this ordinance from development which does not take into consideration the natural function of a barrier beach and its ecological systems.; The Town Board hereby states its concern about life and property due to the overdevelopment of Fire Island both on the mainland and the aforesaid barrier beach. The Town Board is in full agreement with the United States Department of the Interior's general intent for preservation of Fire Island as a unique resource for present and future generations, consistent with the General Management Plan for the Fire Island National Seashore.; The Town Board hereby designates the Planning Board and the Zoning Board of Appeals to review the permitted uses enumerated in § 68-137 and § 68-137.1 pursuant to the intent of this ordinance.
Permitted uses
Include but are not limited to:
Housing-Single unit
Educational/school
Park & open space
Property details
Exterior
Property Information
Subdivision Name: S T CLOCK REALTY CO
Living Sq. Ft: 1,536
Ground Floor Sq. Ft: 768
Building Sq. Ft: 2,592
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,970
Legal Lot Number: 31
Legal Block Number: 0003
Municipality Name: ISLIP
Acres: 0.16
Front Footage: 60
Zoning Code: BAA
State Use Description: SINGLE FAMILY RESID
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: —
Baths: —
Sq. Ft.: 1,536
Stories: —
Lot Size: 6,970 square feet
Style: Single Family Residential
Year Built: 1968
Year Renovated: —
County: Suffolk County
APN: 4728890500494000300031000
Home facts updated by county records on Aug 20, 2026
Around this home
Schools
Woodhull School
Public PreK-6 • Assigned • 6.2mi
10/10
Islip Middle School
Public 6-8 • Assigned • 6.5mi
5/10
Islip High School
Public 9-12 • Assigned • 6.6mi
7/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
4/10 Heat Factor
7 days above 92° expected this year, 18 days in 30 years
8/10 Wind Factor
80% chance of strong winds in next 30 years
5/10 Air Factor
9 unhealthy days expected this year, 9 days in 30 years
Provided by First Street
Historical weather
Bay Shore, NY • 11706
Average low and high temperatures (°F)
36
25
38
26
50
36
58
44
66
54
78
64
83
71
78
64
74
61
66
51
55
40
42
29
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
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Oct
Nov
Dec
Sun exposure
In this area, properties receive around 8.8 hours in
June and 4.5 hours in December, placing it below the
U.S. average for solar exposure.
8.8 hrs
4.5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$960,000 – $1.16M
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