Main Terminal / Concourses at Long Island MacArthur ISP Airport LIMA Airport has one passenger terminal and three concourses (West, East & Veterans Memorial Concourses).
The ground level of the passenger terminal has in the center an Information desk, and to the left of it are rental car desks & baggage claim, with shuttle bus pickup outside.
Behind the Information desk is a shop, Lost & Found & an ATM machine, leading to the Westside security checkpoint and the West Concourse with US Airways Gate B17.
To the right of the Information desk are the police station & ticketing desks, leading via escalator to the Eastside security checkpoint (a mother's room & a newsstand are in front of it) and to the East Concourse, with Southwest Airlines gates A5 to A8; and to Veterans Memorial Concourse, with Southwest Airlines Gates A1 to A4.