Marosakoa is a municipality in western Madagascar over the Mozambique Channel.

It is approximately 35 kilometres south of Mahajanga.

It belongs to the district of Marovoay, which is a part of Boeny Region.

The majority 60% of the population of the commune are farmers, while an additional 34% receives their livelihood from raising livestock.

[2] Marosakoa is situated at the National road No.