Pitu Ulunna Salu (PUS) is a little-known Austronesian language spoken in South Sulawesi, Indonesia. This study touches on several aspects of PUS, ranging from morphophonemics to speech act distinctions. The main concentration of the study is on verbal and clause constructions, noting, particularly, how each type of construction encodes focus and underlying transitivity. The PUS focus system is presented as a cline of salience of particular arguments to the predication. Passives are employed to defocus the agent, while antipassives are used to defocus the undergoer. Object focus is the unmarked transitive clause type. Morphological features of PUS verbs present varying degrees of transitivity. PUS utilizes several transitive derivational affixes to increase the valency of stems. Non-prototypical intransitives encode transitive-type action as intransitive. PUS exhibits a split ergative system in which ergativity is marked only in the bound pronoun sets. There are no ergative markings on nominals.