Rumah Katu Marine Park (Indonesian: Taman Laut Rumah Katu), is a marine water park[a] situated in the city of Poso, Central Sulawesi, Indonesia.

[1] In Rumah Katu, outbound games like banana boat and flying fox is available.

Travellers generally come to visit for diving, fishing, snorkeling, or merely come to rest and relax with family.

[2] On 19 to 20 August 2016, Rumah Katu Marine Park host one of the largest marine festival in Poso, called Rumah Katu Festival, with performances featuring music, dance, poetry, art and photo exhibition depicting the culture of Poso.

They consider this festival can convince the tourists to not hesitate to enjoy the natural beauty of Poso.