St. Christopher Island (, ) is the mostly ice-covered island extending 680 m in southwestâÂÂnortheast direction and 580 m in southeastâÂÂnorthwest direction lying in Papazov Passage, Biscoe Islands. Its surface area is 24 ha.
The feature is named after Saint Christopher (3rd century), the patron saint of travel-related occupations such as mariners.
St. Christopher Island is located at , which is 3 km southwest of Edholm Point on Krogh Island, 90 m northwest of Bona Mansio Island, 1 km northeast of the nearest point of DuBois Island and 1.86 km southeast of Talbott Point on the last island. British mapping in 1976.