The closest activity to Gomati (Mainland Halkidiki) is Ancient Stagira, 22.3 km away. Ordered by distance from Gomati. Info, prices, booking.
22.3 km from Gomati
39.5 km from Gomati

40.0 km from Gomati
47.1 km from Gomati

47.1 km from Gomati

50.9 km from Gomati

53.4 km from Gomati

Ancient Stagira, just 22.3 km from Gomati. The rest are listed below, ordered by distance.
None sit within 15 km of Gomati itself, but Mainland Halkidiki has 7 activities in total — listed below, closest first.
Based on user reviews: Folklore Museum of Nea Moudania (★4.8), Fishing Boats & Tools Museum (★4.7), Wine Tasting (★4.6).
The activities are spread out around Gomati. A car makes exploring much easier — local buses and taxis are limited outside peak season.
Gomati 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.