The closest activity to Kalindra (Kassandra) is Sanctuary of Poseidon at Posidi, just 2.7 km away. Ordered by distance from Kalindra. Info, prices, booking.
2.7 km from Kalindra
3.2 km from Kalindra

10.7 km from Kalindra

Sanctuary of Poseidon at Posidi, just 2.7 km from Kalindra. The rest are listed below, ordered by distance.
Within 15 km of Kalindra there are 3 activities.
Based on user reviews: Sani Water Park (★4.5), Diving in Kassandra (★4.4).
The activities are spread out around Kalindra. A car makes exploring much easier — local buses and taxis are limited outside peak season.
Kalindra is on the Kassandra side of Halkidiki, in northern Greece. The nearest airport is Thessaloniki (SKG); from there a car is the most convenient way to reach the Kassandra villages.