In the main street of Laganas you will find Crossbones Art Tattoo & body piercing shop by Spiros. Spiros is known for its excellent work and colour combinations, in particular the transitions of colours and you will be positively surprised by the price / quality ratio.
In addition to tattooing, you can also go for body piercing or just drop by and admire his work, which is also dangerous because you will definitely have a Tattoo installed.