Maruku station is located near Bukoba town in the Kagera Region. It undertakes research and development activities in its mandate area, namely the four districts of Muleba, Karagwe, Misenyi, and Bukoba where coffee (mainly Robusta) and banana farming systems are found. The area under coffee cultivation is 51,416 ha with the potential to expand to 20,774 ha. The annual average production is 21,000 tons or 320g of clean coffee per tree with the potential for 1kg per tree. Kagera region is producing one of the finest Robusta coffee in the world.

The function of Maruku Station is to support the development of the Robusta coffee industry in Kagera by disseminating proven technologies to district extension staff, farmers, and estates through the provision of training courses and by promoting extension messages; and, supporting the central research program by facilitating on-farm research and on-station research.