How far is Islip, NY from Fair Harbor, NY?
The driving distance from Islip, NY to Fair Harbor, NY is about 15 miles (24.1 km), with a travel time of about 00h 31m by car.
- The straight-line flight distance is about 6.4 miles (10.3 km).
- For a round trip, plan for roughly 01h 03m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 00h 31m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Census-designated place in Suffolk County, New York
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Islip and Fair Harbor.
Turn-by-Turn Driving Directions
Step-by-step road directions between Islip and Fair Harbor.
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1
Start on Main Street
1.2 km · 1 min · Main Street
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2
Continue on Montauk Highway
1014 ft · 19 sec · Montauk Highway
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3
Continue on Main Street
1.8 mi · 3 min · Main Street
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4
Continue on Montauk Highway
2.2 mi · 4 min · Montauk Highway
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5
Take the ramp slight right toward RM South: Ocean Beaches
1059 ft · 26 sec
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6
Merge slight left onto Robert Moses Causeway
4.1 mi · 6 min · Robert Moses Causeway
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7
Continue on Robert Moses Causeway
1.2 mi · 3 min · Robert Moses Causeway
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8
Enter the roundabout and take exit 2 toward Robert Moses State Parkway
723 ft · 18 sec · Robert Moses State Parkway
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9
Exit the roundabout onto Robert Moses State Parkway
2 mi · 4 min · Robert Moses State Parkway
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10
Turn straight
87 m · 25 sec
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11
Turn right
2652 ft · 2 min
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12
Continue straight
2608 ft · 2 min
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13
Continue on Cedar Court
2080 ft · 2 min · Cedar Court
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14
Continue on Lighthouse Road
1 km · 3 min · Lighthouse Road
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15
Continue on Central Walk
1201 ft · 53 sec · Central Walk
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16
Arrive at your destination
0 m · 1 sec · Central Walk
Car Route Details
A richer read on the saved driving route between Islip and Fair Harbor.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Robert Moses Causeway
Merge slight left onto Robert Moses Causeway
4.14 mi · 00h 06m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Sunny leaving Islip and Mostly Sunny near Fair Harbor.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Islip to Fair Harbor?
The road trip is about 15 miles (24.1 km) and usually takes 00h 31m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
West Bay Shore is a useful midpoint, sitting about 7.5 miles from Islip and 7.5 miles from Fair Harbor.
How much longer is the road route than the straight-line distance?
The direct path is about 6.4 miles (10.3 km), while the road route adds roughly 8.6 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:26 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.12 one way or $4.25 round trip. Estimated CO2 is about 4.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Islip and Mostly Sunny near Fair Harbor.
Stop Ideas Near West Bay Shore
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Town of Babylon History Museum at Old Town Hall
Babylon Town Hall Annex
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to West Bay Shore.
Stamford Transportation Center
New Rochelle station
Bridgeport
Yonkers station
Flight Path Map
This map shows the direct air route between Islip and Fair Harbor. Straight-line distance: 6.41 mi (10.31 km).
#1 Islip
This Long Island community is situated on the south shore of Suffolk County, New York, at an elevation of 13 feet.
| Population | 322,328 |
| Coordinates | 40.7298200, -73.2103900 |
| Altitude | 4 |
| Country | United States |
#2 Fair Harbor
Fair Harbor is a place in New York, United States.
| Population | 0 |
| Coordinates | 40.6392700, -73.1842800 |
| Altitude | 1 |
| Country | United States |
End: Fair Harbor (-73.18428, 40.63927)
Estimated Travel Time
Distance: 24 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 29m |
| 40 mph (64.37 km/h) | 00h 22m |
| 50 mph (80.47 km/h) | 00h 17m |
| 60 mph (96.56 km/h) | 00h 14m |
| 70 mph (112.65 km/h) | 00h 12m |
| 80 mph (129 km/h) | 00h 11m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.01 | $2.12 | $4.25 |
| Mid-grade | $4.48 | $2.37 | $4.75 |
| Premium | $4.86 | $2.58 | $5.15 |
| Diesel | $4.69 | $2.49 | $4.98 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in New York · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.