Southbound guests sometimes think Misool is only a cave and a postcard lagoon. The days I remember just as clearly are the island clusters we actually sleep and snorkel around: Balbulol and Efpian. They are working bases on a southern liveaboard, not footnotes.
Balbulol
Pinnacles, a beach you can actually stand on, and a short trek when the limestone allows. The Blue Lagoon side of this cluster is a boat-tour morning: we nose into tight water, snorkel the edges, and leave before the light goes flat. It is quieter than Dampier. Fish are there; the mood is space and rock, not a carnival of jacks under a jetty.
Efpian
After Balbulol we often shift to Efpian for a different bottom — patches guests nicknamed for shapes and stories, plus beach time that lets non-swimmers stay in the trip. Shark Point, when the viz and the tide agree, is a look-don’t-chase drift. I brief it like a manta stop: position, patience, no heroics.
How this differs from a north trip
You will not tick Wayag off a Balbulol day. The south rewards people who already know they want limestone lagoons and fewer passing boats. Crossings are happier in the calmer season. If that is you, a 10-day Misool itinerary is the frame; these islands are the filling. See how that choice sits against the north in Misool vs Wayag, then ask which south departure still has a bunk.