Airport code
ISP — Long Island Mac Arthur Airport
ISP is the IATA code for Long Island Mac Arthur Airport, an airport serving Islip, United States. Its ICAO code is KISP, and it operates in the America/New_York time zone (UTC-5). The airport sits at 40.7952, -73.1002 in the Northern Hemisphere, at an elevation of 99 ft (30 m).
Overview
About Long Island Mac Arthur Airport
Long Island MacArthur Airport, formerly known as Islip Airport, is a public airport located in Ronkonkoma, New York, within the Town of Islip in Suffolk County, on Long Island. Covering 1,311 acres (531 ha), the airport was established in 1942, activated in 1943, and began operating as a commercial airport in 1960. It has three runways and two helipads.
Reference data
Airport information
| IATA code | ISP |
|---|---|
| ICAO code | KISP |
| Airport name | Long Island Mac Arthur Airport |
| City | Islip |
| Country | United States |
| Time zone | America/New_York (UTC-5) |
| Latitude | 40.7952 |
| Longitude | -73.1002 |
| Elevation | 99 ft (30 m) |
| Airport type | Medium airport |
| Continent | North America |
| Runways | 3 |
| Longest runway | 7,006 ft (2,135 m) |
| Map | View on OpenStreetMap ↗ |
Reference data last updated 24 July 2026.
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Questions
Frequently asked questions
What is the IATA code for Long Island Mac Arthur Airport?
The IATA code for Long Island Mac Arthur Airport is ISP.
What is the ICAO code for Long Island Mac Arthur Airport?
The ICAO code for Long Island Mac Arthur Airport is KISP.
Where is ISP airport located?
Long Island Mac Arthur Airport (ISP) is located in Islip, United States.
What time zone is ISP in?
Long Island Mac Arthur Airport operates in the America/New_York time zone, which is UTC-5.
What is the nearest airport to ISP?
The nearest airport to Long Island Mac Arthur Airport (ISP) is Tweed New Haven Airport (HVN) in New Haven, about 55 km away.
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