This includes the modern administrative county as well as areas now subsumed by south east London and in the district of Medway.
It carries out archaeological surveys and excavations funded through membership subscriptions as well as being involved in the protection and recording of historic buildings and churches.
The society publishes an annual journal, Archaeologia Cantiana, and a quarterly newsletter.
Recent projects have included assisting in the excavation of the Ringlemere barrow and an edition and translation of the Kent Hundred Rolls.
A number of local societies are affiliated to it and it has links with national and county archaeological organisations.