Dive School de Grevelingen - SSI dive school based in Scharendijke, Zeeland (NL). Diving in lake Grevelingen & the Oosterschelde estuary. Guided dives, beginner courses up to Divemaster, and specialties like Nitrox, Navigation & Waves, Tides & Currents. Proud SSI Blue Oceans Center & Classified Diving Center - because diving is for everyone. I-love-GRVLNGN