Malden Island importance as a protected area for breeding seabirds. The island is designated as the "Malden Island Wildlife Sanctuary". In 2014 the Kiribati government established a fishing exclusion zone around each of the southern Line Islands (Caroline (commonly called Millennium), Flint, Vostok, Malden, and Starbuck). Malden Island is located south of the equator, south of Honolulu, Hawaii, and more than west of the coast of South America. The nearest land is uninhabited Starbuck Island, to the southwest. The closest inhabited place is Tongareva (Penrhyn Island), to the southwest. The nearest airport is on Kiritimati (Christmas Island), to the northwest. Other nearby
Kiritimati Point, Northwest Point, and on Motu Tabu. The latter was planted there in recent times. About 50 introduced plant species are found on Kiritimati; as most are plentiful around settlements, former military sites and roads, it seems that these only became established in the 20th century. Beach naupaka ("Scaevola taccada") is the most common shrub on Kiritimati; beach naupaka scrub dominates the vegetation on much of the island, either as pure stands or interspersed with tree heliotrope ("Heliotropium foertherianum") and bay cedar ("Suriana maritima"). The latter species is dominant on the drier parts of the lagoon flats where it grows