The 1998–99 Segunda Divisão season was the 65th season of the competition and the 52nd season of recognised third-tier football in Portugal.
Overview The league was contested by 54 teams in 3 divisions with SC Covilhã, SC Freamunde and Imortal DC winning the respective divisional competitions and gaining promotion to the Liga de Honra. The overall championship was won by SC Freamunde.
League standings
Segunda Divisão – Zona Norte
Segunda Divisão – Zona Centro
Segunda Divisão – Zona Sul
Footnotes