Sayville, NY Elevation & Topographic Map
Elevation
64 ft 20 m48 ft 15 m40 ft 12 m24 ft 7 m8 ft 2 m0 ft 0 m
Contours every 100 ft, bold every 500 ft
USGS 3DEP · U.S. Census Bureau
How to use this mapviews, tools and data
- Elevation
- Ground colored by height from green (lowest) to white (highest), with contour lines every 40–500 ft (USGS data).
- Satellite
- A 2016 satellite photo at 33 ft (10 m) detail; contours off.
- 3D
- Tilt and turn the terrain; hills are raised 1.5×, or set ×1 for true height.
- Click or tap anywhere
- The exact elevation of that spot in ft and m.
- Measure
- Pick two points for the climb, descent and grade along a straight line.
- Area
- Fades everything outside the official CDP boundary (US Census).
Elevation Data
Sayville sits at about 29 ft (9 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
29 ft 9 m
most residents: 10–46 ft
Lowest
0 ft 0 m
at sea level on Great South Bay
Highest
64 ft 20 m
on the northwest side
Average
29 ft 9 m
all land inside the CDP boundary
Sayville spans about 64 ft of height, so no single spot tells the whole story. The ruler shows where its people live, and where the other numbers you'll see come from.
| Figure | Elevation |
|---|---|
| Typical Where people live: half of residents higher, half lower | 29 ft9 m |
| Highest point Inside the CDP boundary, on the northwest side | 64 ft20 m |
| Lowest point Where the land meets Great South Bay | 0 ft0 m |
| Town center USGS map point for Sayville | 20 ft6 m |
| Airport (ISP) FAA airport elevation, the highest point of its runways, 2.3 mi north of the CDP boundary | 99 ft30 m |
| Average of all land | 29 ft9 m |
Elevation profile, south to north
2.9 mi south to north through the town center.
Topographic Map
- Location
- Unincorporated community (census-designated place) in Suffolk County, New York, United States
- Population
- 16,569 2020 Census
- Land area
- 5.3 sq mi + 0.1 sq mi water
- Density
- 3,119 per sq mi
- Coordinates
- 40.7359° N, 73.0821° W
- Time zone
- Eastern UTC−5 / −4
- Landform region
- Coastal Plain
- Drains to
- Atlantic Ocean
- Airport
- Long Island Mac Arthur (ISP) 99 ft
- ZIP codes 1
- 11782
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Sources: U.S. Census Bureau, USGS, FAA
Nearby Places
Nearby towns by typical elevation
- Bohemia55 ft
- North Patchogue43 ft
- North Great River40 ft
- Sayville29 ft
- East Patchogue28 ft
- Bayport22 ft
- West Sayville20 ft
- Blue Point17 ft
- Great River16 ft
- Patchogue16 ft
- Oakdale8 ft
Rankings by typical elevation
- Towns in New York2,002nd highest of 2,097
- Towns in Suffolk County107th highest of 162
Peaks and hills nearest, by height
- Dix Hills350 ft
- Signal Hill, Suffolk County320 ft
- Half Hollow Hills260 ft
- Mount Misery, Suffolk County180 ft
How we measure
- Typical elevation: the population-weighted median: every 2020 Census block inside the CDP boundary, at its USGS 3DEP height, weighted by the people who live there. Half of residents live higher, half lower.
- Lowest, highest, average: USGS 3DEP bare-earth heights on a 1 arc-second (≈100 ft, 30 m) grid, land only, inside the Census CDP boundary (TIGER, Jan 1 2026).
- Pits: the lowest point is the lowest ground outside closed hollows (quarry floors, mine pits, terrain-model artifacts): any hollow under 0.4 sq mi (1 km²), and any hollow under 2 sq mi (5 km²) whose floor is more than 100 ft (30 m) below its rim; and outside patches below sea level of under 0.4 sq mi (1 km²). The single lowest 3DEP cell, 0 ft at 40.7235° N, 73.0721° W, is in such a hollow or patch and is not counted; this coastal land's lowest point is sea level on the coast.
- Nearby Places: nearby towns and rankings use each town's typical elevation, so every town is compared like for like. Rankings count every city, town, township and census-designated place, including places inside a town. Peaks and hills: the nearest summits with at least 980 ft (300 m) of prominence within 62 mi (100 km), then federal (GNIS) summits within 16 mi (25 km) when there are fewer than 5; each is the 3DEP top on a ~7 ft (2 m) window, or the NGS published height when a usable survey mark sits within 160 ft (50 m) of it (shown as published).
- Rounding: computed heights are rounded to 10 ft (5 m), or to 1 ft (1 m) under 100 ft; 3DEP is good to about a meter, not a foot. Published figures (FAA airport elevation, NGS survey heights) are shown as their publisher gives them.
- Datum: North American Vertical Datum of 1988 (NAVD 88). NGS plans to replace NAVD 88 with a new datum (NAPGD2022); heights will then shift slightly.
- Sayville is an unincorporated community; figures cover the census-designated place, a statistical area.
- Sources: USGS 3DEP, GNIS, Watershed Boundary Dataset and physiographic provinces; U.S. Census Bureau (boundaries, 2020 blocks, Gazetteer areas, ZIP code areas); FAA airport data; BTS time zones. All public domain.