Median Age
39 Years
Largest Age Group
55-64 Years
Approximately 14% of Residents
Under 20
26%
Over 65
15%
Area Guide
Mastic Beach sits on a peninsula along the south shore of Long Island, stretching into Moriches Bay with the kind of waterfront access that defines daily life here. As a hamlet within the Town of Brookhaven in Suffolk County, it operates with a small-community feel while remaining connected to New York City via the Long Island Expressway and nearby rail options. The area's most prominent landmark, the William Floyd Estate, is a National Park Service site preserving the home of a Declaration of Independence signer, with over 600 acres of forest, marsh, and trails open to visitors. That sense of history runs alongside an active waterfront culture, where marinas, private docks, and Moriches Bay set the tone for how residents spend their time outdoors.
The housing stock here leans toward single-family homes and smaller residential rentals rather than high-rise apartment communities, reflecting the hamlet's low-density, coastal character. Renters looking for a quieter alternative to denser Long Island communities will find Mastic Beach offers a grounded, water-adjacent lifestyle with room to breathe, while still being within reach of the broader amenities that Suffolk County has to offer.
Median Household Income
$90,331
Average: $99,336
Education
2,225
Residents Have a Degree
Job Market
6,635
Workers Employed
Median Age
39 Years
Largest Age Group
55-64 Years
Approximately 14% of Residents
Under 20
26%
Over 65
15%
Housing Distribution
Mastic Beach has more homeowners than renters.
Education Distribution
Review this city's overall education levels.
Explore how walkable, bikeable, drivable, and transit-friendly Mastic Beach, NY is for everyday living.
Somewhat Walkable
Walkability
Limited Public Transit
Transit
Moderately Drivable
Drivability
Fairly Bikeable
Bikeability
Tangier Smith Elementary School
Public
Grades K-5
768 Students
Public
Grades 6-8
1,078 Students
Public
Grades 9-12
3,107 Students
The GreatSchools Rating helps parents compare schools within a state based on a variety of school quality indicators and provides a helpful picture of how effectively each school serves all of its students. Ratings are on a scale of 1 (below average) to 10 (above average) and can include test scores, college readiness, academic progress, advanced courses, equity, discipline and attendance data. We also advise parents to visit schools, consider other information on school performance and programs, and consider family needs as part of the school selection process.
View GreatSchools Rating Methodology
Data provided by
GreatSchools.org
© 2026. All rights reserved.
† Our analysis of utilities, groceries, transportation, healthcare, home prices, and other goods and services is sourced from the Cost of Living Index, a respected benchmark published by the Council for Community and Economic Research (C2ER) that provides a thorough overview of living expenses across different regions.
Rent data is provided by CoStar Group’s Market Trend reports. As the industry leader in commercial real estate information, analytics, and news, CoStar conducts extensive research to produce and maintain a comprehensive database of commercial real estate information. We combine this data with public record to provide the most up-to-date rental information available.
Consumer goods, services, and home prices are sourced from the Cost of Living Index published by the Council for Community and Economic Research (C2ER). The data on this page is updated quarterly. It was last published in June 2026.
Demographic information comes from Neustar and combines detailed address data with U.S. Census and American Community Survey statistics to produce reliable local estimates.