Lazy Seal Dive Center, founded in 2020, is based at Kucukyali Marina in Maltepe, Istanbul, and runs diving trips on its own boat Lazy Seal (50-diver capacity) into the Marmara Sea, including trips around the Princes' Islands. The centre offers a try-dive for complete beginners (short theory briefing, shallow-water adaptation, then a fully guided dive with an instructor, about 20-30 minutes underwater within a 6-8 hour programme, minimum age 12) as well as PADI and CMAS certified courses from beginner level through advanced (max depth 30m, night diving) to professional Divemaster and Instructor training.