The closest beach to Simintra (Mainland Halkidiki) is Agios Mamas, 11.5 km away. Ordered by distance from Simintra. Photos, map, reviews.
11.5 km from Simintra

11.7 km from Simintra

12.8 km from Simintra

14.2 km from Simintra

16.8 km from Simintra

18.4 km from Simintra

18.5 km from Simintra

19.4 km from Simintra

21.1 km from Simintra

47.8 km from Simintra

49.0 km from Simintra

49.8 km from Simintra

Agios Mamas, just 11.5 km from Simintra. The rest are listed below, ordered by distance.
Within 15 km of Simintra there are 4 beaches, with 21 across Mainland Halkidiki in total.
Based on user reviews: Nea Moudania (★4.0), Plagia-Flogita Beach (★3.8), Portes (★3.8).
The beaches are spread out around Simintra. A car makes exploring much easier — local buses and taxis are limited outside peak season.
Simintra 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.