JHU APL campus skyline

Locations and Directions

APL is located in Laurel, Maryland, situated between Baltimore and Washington, DC, and near I-95. Our main campus spans nearly 461 acres and is home to more than 20 major buildings, as well as a nearby satellite campus.

Address and Directions

APL’s Main Campus

Montpelier Campus

South Campus

Research Parkway Location

Maple Lawn Location

Visitor Entrances

APL is located on Johns Hopkins Road, approximately 1/2 mile west of U.S. Route 29. There are several visitor entrances.

Field Offices

To better serve the needs of our sponsors, APL maintains a number of field offices in various locations around the country.