Career
Born in Glyfada, Sfakianakis began playing professional football with Doxa Vyronas F.C. in 1993. He had a loan spell at Panegialios F.C. in 1996, before transferring to Athinaikos F.C. in 1999. Sfakianakis helped Athinaikos gain promotion to the Greek Superleague for the 2000-2001 season.
The club were relegation and he left after a season in the second division.
Next, he would play for Kerkyra F.C. and Akratitos F.C. in the Superleague and had a brief spell with Panachaiki in 2005. In June 2011, Sfakianakis returned to Greece to play with Corfu-based Cassiopi F.C. in the regional leagues.