From Thessaloniki to Portes Beach Hotel:

From Thessaloniki, follow the highway to N. Moudania (Konstantinou Karamanlis Ave.). After 35-minutes drive you will meet the junction of N.Moudania. Continue straight on the highway, heading to Kassandra and after 4 km, and just 2.5 km before the bridge of N.Potidea, you will see an exit sign for Portes Beach Hotel on your right hand. Take the exit and follow the signs of Portes Beach Hotel. You will see Portes Beach after 1.5 KM on your right-hand side. (GPS Coordinates: 40º 15’51 Í - 23º 19’15 Å)
 
From Athens:

From Athens you reach Thessaloniki though the highway. Before you enter the center of Thessaloniki, it is better to go through the ring road, turning to Halkidiki, in order to avoid the city center traffic. Just before the end of the ring road, take the exit to Halkidiki – N. Moudania (junction K12). Then follow the directions given above.