I am a nonprofessional fisher from istanbul. Fishing is my biggest hobby .i have two boat with outboard engines for fishing . Fishing with motorboat in center of the istanbul it a amazing thing . Boats can serve 1-6 person. Tools availabe just please ask ur needs. I have diffrent size of boats. All boats with fishing license registered in istanbul Turkey. U can find many fishes in Marmara Sea depends on which season. In istanbul u can also do fishing from coast or some bridges . if you have any questions please do not hesitate to contact with me.