The closest beach to Stratoniki (Mainland Halkidiki) is Stratoni Beach, 5.8 km away. Ordered by distance from Stratoniki. Photos, map, reviews.
5.8 km from Stratoniki

10.3 km from Stratoniki

24.2 km from Stratoniki

24.4 km from Stratoniki

25.1 km from Stratoniki

25.9 km from Stratoniki

26.0 km from Stratoniki

26.5 km from Stratoniki

26.9 km from Stratoniki

27.2 km from Stratoniki

27.5 km from Stratoniki

27.9 km from Stratoniki

Stratoni Beach, just 5.8 km from Stratoniki. The rest are listed below, ordered by distance.
Within 15 km of Stratoniki there are 2 beaches, with 21 across Mainland Halkidiki in total.
Based on user reviews: Karagatsia (★3.8), Kalopigado (★3.8), Agios Georgios (★3.8).
The beaches are spread out around Stratoniki. A car makes exploring much easier — local buses and taxis are limited outside peak season.
Stratoniki is on the Mainland Halkidiki side of Halkidiki, in northern Greece. The nearest airport is Thessaloniki (SKG); from there a car is the most convenient way to reach the Mainland Halkidiki villages.