http://www.rac.co.uk routeplanner

Altinkum - North East TR
Total distance: 695.25 miles (1118,9 km )
Total estimated time: 18 h 40 min Via Car

Altinkum - South East TR
Total distance: 947.49 miles (1524,8 km )
Total estimated time: 23 h 12 min Via Car

Im not familiar with that place, so unsure if the above is wrong but thats from the route planner, very usefull as it does all of europe (inc turkey).

its about 4 hours drive, from marmaris go to mugla, milas then altinkum..... about 300 km.

can u get a boat

*Edit please can you not use phone text on the forum Briar

no........... unless you hire one privately and it will take you a week to get there