Our room prices start at GBP 44 per night. Sokos Hotel Royal Vaasassa, Hovioikeudenpuistikko. Here is a breakdown of hotels for each star rating in Mustasaari as well as in the surrounding area: 10 4-star hotels from GBP 62 per night 4 3-star hotels from GBP 44 per night, how to get to Mustasaari. Fly into Vaasa (VAA 6 mi (9.7 km) from central Korsholm. Free cancellation on most rooms, price Guarantee, see a map of Mustasaari Hotels.