Siladen is a small island located about 5 km off the northwest coast of Sulawesi, 10 km north of Manado and about 2 km east of Bunaken. The Bunaken National Park offers the diver next to steep walls – the sea is more than 2000 meters deep in front of Bunaken! – also a huge biodiversity of microorganisms.
Gangga Island, also a small island, is located on the northern tip of Sulawesi and is home to the beautiful Gangga Island- and Spa Resort. The underwater world presents itself as a successful mixture of Bunaken and Lembeh Strait.
and a lot more pictures on flickr and Google Photos