Oesman Al-Khair Grand Mosque is loacted in in Sukadana Sub-District, North Kayong – Indonesia. This white mosque was built with architecture similar to the Arrahmah Floating Mosque in Jeddah, Saudi Arabia. The Oesman Al-Khair Grand Mosque presents a beautiful view, especially in the afternoon.

Another name is Terapung Mosque or the Floating Mosque. It is because the structure is built on sea level. This is to symbolize the local culture, which is dominated by a fishermen community. It has the colour of white. In terms of size, it has the width of 50 x 50 meters and it is able to accommodate approximately 3000 people. The mosque has a decent architecture, adapting an Arabian architecture style. Both interior and exterior resemble the  Moroccan’s mosques.

The mosque has 9 domes that beautify the mosque. The main dome represents Mohammad the prophet. This grand dome is surrounded by 4 smaller domes, representing the prophet’s comrades. Other 4 smaller domes surrounded them, representing four different sects. In a whole, these 9 domes represent Wali Songo (the most famous propagators of Islam in Indonesia).