[1] The village was the birthplace of Cornelia Jones, the first woman to hold public office in the Windward Islands.

[2] It is the current location of Saba's primary and secondary schools, making it the center of the Island's education.

[3] St. Johns Flat is one of Saba's multiple volcanic domes,[4][5] about 318 metres (1,043 ft) above sea level.

[7] Archeological findings reveal that these people used rock, animal bone, shell, and coral to make tools, pottery, and sculptures.

[8] Throughout the 18th, 19th, and early 20th centuries, most men in St. Johns engaged in farming (in an area known as "Little Rendez-Vous")[9] or fishing.

[7] By 1900, St. Johns was one of four main villages on Saba, along with The Bottom, Windwardside, and Hell's Gate.

[10] In 1951, "The Road", which had connected Fort Bay to The Bottom, had extended to St. Johns and Windwardside.

Attached to the Sacred Heart School is a small chapel that is run by Father Janssen.

[5] In January 2018, the Royal Netherlands Meteorological Institute installed a Global Navigation Satellite System (GNSS) instrument at St.