According to Trip.com data, these 3 stores near Sofronios Basilica have great user reviews:
1. Nikiti Diving Center, 353m from Sofronios Basilica
2. Dive Zone Nikiti - Scuba Diving & Snorkeling Store, 276m from Sofronios Basilica
3. Macacao at Marina Porto Carras Grant Resort, 19.36 km from Sofronios Basilica