The closest activity to Parthenon (Sithonia) is Boat Trip to Diaporos, 8.5 km away. Ordered by distance from Parthenon. Info, prices, booking.
8.5 km from Parthenon

13.7 km from Parthenon

14.6 km from Parthenon

14.6 km from Parthenon

14.8 km from Parthenon

16.0 km from Parthenon
16.2 km from Parthenon

18.4 km from Parthenon

18.6 km from Parthenon

20.2 km from Parthenon

Boat Trip to Diaporos, just 8.5 km from Parthenon. The rest are listed below, ordered by distance.
Within 15 km of Parthenon there are 5 activities, with 10 across Sithonia in total.
Based on user reviews: Cycling Route of Sithonia (★5.0), Boat Trip to Diaporos (★4.9), Church of Agios Antonios (★4.9).
The activities are spread out around Parthenon. A car makes exploring much easier — local buses and taxis are limited outside peak season.
Parthenon is on the Sithonia side of Halkidiki, in northern Greece. The nearest airport is Thessaloniki (SKG); from there a car is the most convenient way to reach the Sithonia villages.