The busiest months at Fire Island National Seashore are July and August, and the busiest days are Saturday and Sunday. In 2017, 681,518 people visited National Park Service sites on Fire Island. This figure is for visitation to park-owned sites only, and do not reflect the actual number of people spending time within the boundaries of Fire Island National Seashore. It is estimated that more than 2.2 million people annually come to Fire Island, either into one of the 17 Fire Island communities, on waters surrounding the island, or to one of the national seashore facilities.