Nassau County's economy ranges from agricultural activity (mostly in the form of tree farms) in the west and central areas, to a variety of activities closer to Amelia Island. Much of the land used for tree farming is owned by
Rayonier, a major employer in the area, and the owner of a large pulp mill in Fernandina Beach. Historically, tree farming, trucking, and pulp production have characterized a large portion of the local economy. However, extensive growth is occurring in the outlying small towns in the rural western area, and the home construction market is still quite strong. Fernandina Beach has long been known for professional industries such as real estate, legal services, and medical care, and is also the closest city to two upscale resorts: the
Ritz-Carlton Hotel and
Amelia Island Plantation. In the central area of the county, a private tract of land known as the
White Oak Conservation was once owned by a wealthy family who ran the area as a private zoo, complete with exotic animals such as giraffes and large albino cats. Numerous public figures, including former President
Bill Clinton, have vacationed at the resort. Nassau County has several outdoor festivals and events. The county is home to two world-class golf courses: The Golf Club at North Hampton was designed in part by
Arnold Palmer, and is over , has 18 holes and a 72 par. and the Amelia National Golf & Country Club, designed by
Tom Fazio which has 18 holes and a 72 par. The Nassau County Economic Development Board, which represents all of Nassau County as a desirable place to relocate a business or to expand a business. In November 2017 it was announced that the
University of Florida will be building two health and fitness facilities. In January 2018 the large energy company
Florida Public Utilities announced that they will be relocating to Yulee and will be building a new corporate headquarters. In 2017
Rayonier completed building a new corporate headquarters in
Yulee. Rayonier also plans to develop a pine forest in Yulee into a community complete with housing, offices, medical facilities, shopping centers, light industrial facilities and schools. The development, starting with and is called Wildlight. Rayonier is also working with Nassau County to develop the Wildlight Elementary School at a cost of $26 million which is scheduled to open for the start of the 2017–2018 academic year with 600 students.
Fernandina Beach Municipal Airport, a general aviation airport and former military airbase that is also now used at times by the
U.S. Navy, the
U.S. Coast Guard and the
Florida Air National Guard and is in
Amelia Island south of the
central business district of
Fernandina Beach. It is designated as a
reliever airport for
Jacksonville International Airport. Located in Hilliard is a
Federal Aviation Administration (FAA)
Air Traffic Control Center, which coordinates most commercial and civilian air traffic for the southeastern United States. The FAA center is a major employer in Hilliard, and many retired FAA employees live in Nassau County. The Florida Welcome Center in the county is a "tourist information house", near the Florida/
Georgia state line on
I-95. This center provides incoming visitors with a variety of information on travel, highways, sports, climate, accommodations, cities, outdoor recreation, and attractions. In tribute to the citrus industry (which historically has been a major part of Florida's economy), every visitor is offered a free cup of Florida citrus juice (
orange or
grapefruit)..
Top employers According to the Nassau County website as of June 2019, the top employers in the county are: ==Education==