马基拉岛是太平洋岛国所罗门群岛的岛屿，位于瓜达尔卡纳尔岛以东和马莱塔岛以南，是马基拉-乌拉瓦省最大的岛屿，岛上最大城市基拉基拉是该省首府。

The island of Makira (also known as San Cristóbal) is the largest island of Makira-Ulawa Province in the Solomon Islands. The island is located east of Guadalcanal and south of Malaita. The largest and capital city is Kirakira.

The first recorded sighting by Europeans of Makira was by the Spanish expedition of Álvaro de Mendaña in June 1568. More precisely the sighting and also landing in Makira was due to a local voyage that set out from Guadalcanal in a small boat, in the accounts the brigantine Santiago, commanded by Álferez Hernando Énriquez and having Hernán Gallego as pilot. They charted it as San Cristóbal.