about diving in northern Sulawesi – addresses dive operators and dive centers and links http://www.starfish.ch/dive/info/Manado-info.html
FAQ Fact sheet with information about dive sites in northern Sulawesi: Manado, Bunaken, Lembeh, Bangka, Siau, Sangihe, Talaud – Addresses of dive operators and dive centers, liveaboards, dive conditions, weather information, hyperbaric chambers, hotels, how to get there, maps (Zubi – starfish)
Link to them at your own risk.