Ranked by the OnlyBeaches Index (OBI) — a 1-10 score blending water purity, conditions, crowd levels and vibe. Updated every 30 minutes.
Björköby Beach
A local Björköby-area swimming beach within the UNESCO Kvarken island landscape.
Bodvattnet Shore Beach
A small natural shore beach near Bodvattnet that reflects the rocky, land-uplift Kvarken landscape.
Fjärdskär Beach
A sandy beach by the Raippaluoto bridge area, useful for swimming and kayak access into the archipelago.
Grönvik Beach
A small coastal beach on the Mustasaari mainland side with local-family value.
Köklot Beach
A remote Kvarken island beach valued by locals and easily missed by broad map datasets.
Kuni Beach
A quiet coastal swimming beach near Kuni, useful for discovery-focused coverage.
Norra Vallgrund Beach
A low-key archipelago beach useful for completing Vallgrund coverage without duplicating Södra Vallgrund.
Panike Beach
A remote Kvarken coastal beach near Panike, best suited to quiet local discovery.
Raippaluoto Beach
The main Replot/Raippaluoto beach and a natural anchor for visitors exploring the Kvarken islands.
Saarenpää Beach
A small local beach near Vaasa’s coastal neighborhoods, useful for neighborhood-level coverage.
Södra Vallgrund Beach
A village beach in the Replot archipelago with a calm local-island atmosphere.
Sommarösund Beach
A valued Replot-area beach near Sommarösund with a classic sheltered archipelago setting.
Storsand Beach
A sandy Replot-area beach with a natural feel and strong local summer appeal.
Svedjehamn Shore Beach
A rocky shore beach experience near Svedjehamn, notable for Kvarken scenery rather than classic sand.
Vistan Beach
A small Mustasaari beach serving nearby coastal settlements away from Vaasa’s main beach circuit.
Mustasaari sits in Ostrobothnia, Finland and is home to 15 ranked beaches on OnlyBeaches. Every beach here is scored by the OnlyBeaches Index — a 1-10 metric blending water purity, live conditions (waves, water temperature, wind), crowd intelligence and vibe.
Whether you're after the highest-scoring beach in Mustasaari or a quieter hidden cove, the list above is refreshed every 30 minutes using live Stormglass and OpenWeather data.
