At the end of the season champions Hythe Town were promoted to the Southern League Southern Division[3] and both bottom clubs, Chatham Town and Herne Bay, were re-elected to continue their membership of the division.
[4] The 1988–89 Kent Football League Challenge Cup was won, for the only occasion in their history, by Alma Swanley.
[5] The competition, contested by all twenty clubs in Division One, comprised five single match tie rounds (with the first round featuring four ties) culminating in the final which was played on a neutral ground (at Sittingbourne F.C.
At the end of the season: Chatham Town R, Deal Town R and champions Hythe Town R withdrew from the division; Snowdown Colliery Welfare, who were founder members of the league in 1966, had their registration cancelled by the League as the club no longer held the league requirement of Senior status - the Kent County FA had, owing to the club's long spell of ten seasons in Division Two, ruled the club of Intermediate status;[4] bottom club Herne Bay were re-elected to continue their membership of the division.
The competition, contested by all nineteen clubs in the division, comprised five single match tie rounds (with the first round featuring three ties) culminating in the final (played at Hythe Town F.C.).