Mersin Büyükşehir Belediyesi SK (English: Mersin Metropolitan Municipality Sports Club) also known simply as Mersin BB is a professional basketball team based in the city of Mersin in Turkey, currently playing in the Turkish Basketball First League (TBL).
It is sponsorship by Mersin Metropolitan Municipality. Their home arena is the Edip Buran Arena with a capacity of 1,750 seats.
Mersin Büyükşehir Belediyesi was founded in 1993. The team was promotion 2004-2005 season to Turkish Basketball League from Turkish Second Basketball League. After spending 9 years in the top league, the team relegated to the TB2L in 2013-2014 season.
