Historical Dictionary of London

SABB'S KEY

West out of Little Bear Key (O. and M. 1677-Strype, 1755).
Earliest mention:" Sabbis key," 1516 (L. and P. H. VIII. Dom. S. II. 1515-18, p.642).
Made one of the Legal Quays by Act of Parliament, 1559 (Strype, ed. 1720, I. ii. 49).
SeeSabb's Dock.
Site now occupied by the Custom House.