Mersin İdmanyurdu (also Mersin İdman Yurdu, Mersin İY, or MİY) Sports Club; located in Mersin, east Mediterranean coast of Turkey in 2000–01. Mersin İdmanyurdu has finished 2000–01 Second League season for the 27th time. This was the last season of Second League as second division in Turkish football league system. Team finished second stage at seventh place in 2000–01 season and placed to newly founded 2001-02 Second League Category B in the next season.

Macit Özcan was club president. Levent Arıkdoğan managed the team at the start of the season. Tarkan Özyılmaz was mostly appeared player with 30 appearances, while he shared the top goalscorer title with Zeynel Abidin Oktay with 13 goals.

Mersin İdmanyurdu took place in Group 1 in 2000–01 Second League season. League was played in three stages. In the first stage 50 teams in five groups (10 clubs in 4 groups and 11 teams in 2nd group) played for first two rankings to play in promotion group. The promotion group consisted of those 10 teams. At the end of the second stage top two teams promoted to 2001-02 First League. Remaining teams in each ranking group played in classification groups, by carrying points and goals from ranking groups. Bottom two teams relegated to 2001-02 Third League at the end of the season. In the third stage, 8 clubs (3 from the promotion group and 1 each from 5 classification groups) played one-leg play-off games in Antalya Atatürk Stadium to determine the third team to be promoted to First League.

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