1999–2000 ISL season

The 1999–00 Ice Hockey Superleague season was the fourth season of the Sekonda Ice Hockey Superleague (ISL).

There were no changes in the teams from the 1998–99 season. However the league introduced a wage cap of £500,000 for this season.

Challenge Cup
All eight teams in the league competed in the Challenge Cup. The first round was the first home and away meeting of each team in the league with the points counting towards both the Challenge Cup table and the league table. The top four teams progressed to the semi finals. The semi finals were home and away games with the winner on aggregate progressing to the one off final game.

In a repeat of the previous season's Challenge Cup final, Sheffield Steelers took on the Nottingham Panthers and won the competition.

Semi finals
2nd place (Cardiff) vs 3rd place (Sheffield)
 * Sheffield Steelers 1–2 Bracknell Bees
 * Bracknell Bees 4–8 Sheffield Steelers (Sheffield win 9–6 on aggregate)

'''1st place (London) vs 4th place (Nottingham)
 * London Knights 1–4 Nottingham Panthers
 * Nottingham Panthers 3–3 London Knights (Nottingham win 7–4 on aggregate)

Final
Winner A vs Winner B
 * Sheffield Steelers 2–1 Nottingham Panthers

League
Each team played three home games and three away games against each of their opponents. All eight teams were entered into the playoffs.

Playoffs
All eight teams in the league took part in the playoffs. Group A consisted of Bracknell, London, Newcastle and Nottingham while Group B consisted of Ayr, Cardiff, Manchester and Sheffield. The top two teams from each playoff group qualified for the finals weekend. The third place playoff was dropped for this season.

Semi Finals
Winner B vs Runner-Up A
 * Sheffield Steelers 1-3 Newcastle Riverkings

Winner A vs Runner-Up B
 * London Knights 2–1 Ayr Scottish Eagles (after overtime)

Final
Winner B vs Winner A
 * London Knights 7-3 Newcastle Riverkings