Full name Siquijor Divers Center, owned by Damien — exceptionally rated (4.9, 142 reviews). Services: Discover Scuba experiences for first-timers, full certification courses, guided dive tours. Reviews consistently praise the smooth, well-organized process from arrival to entering the water (gear pre-assembled and waiting) and instructor Marc’s multilingual teaching (Spanish, French, Portuguese) — a genuine plus for non-English-first travelers.