The season featured 10 teams; from the previous season, Aberdeen Buccaneers joined the league and Glasgow Gators did not return.
St Mirren won their first league title.
[1] There were end of season playoffs for the first time in several seasons, with St Mirren beating City of Edinburgh Kings 2–1 in the final series.
[2] The line-up for the 1999–2000 season featured the following teams: Source: Scottish National League 1999-00 - Britball Despite finishing second in the league, Glasgow d2 chose not to compete in the playoffs.
[3] Source: Scottish Championship Playoffs 1999-00 - Britball