Baltra Airport has the most flights into and out of Galapagos. Over 2,000 commercial flights arrive in Galapagos each year, with approximately two-thirds arriving in Baltra. A few hundred private airplanes arrive each year as do a few hundred military flights (mostly in San Cristóbal). All of these present a risk for introducing exotic species to the islands. 

Area: 21 km2 or 8 mi2
Maximum Altitude: 100 m or 328 ft
Human Population: Personnel from the Ecuadorian Navy and the Ecuadorian Air Force