Saxis is a town in Accomack County, Virginia, United States. The population was 241 at the 2010 census. Saxis Island juts into Pocomoke Sound and is separated from the rest of Accomack County by Freeschool Marsh. The community that exists on the island began as a single farmstead. The community grew in size throughout the 1800s and wa…Saxis is a town in Accomack County, Virginia, United States. The population was 241 at the 2010 census. Saxis Island juts into Pocomoke Sound and is separated from the rest of Accomack County by Freeschool Marsh. The community that exists on the island began as a single farmstead. The community grew in size throughout the 1800s and was incorporated in 1959.