Chartering a cabin cruiser (NOT a yacht) in the Seychelles?

Hi, my friend and I are travelling to the Seychelles in August, and I am hoping to charter a small motor cabin cruiser to explore the islands from the sea (preferably Mah�, Praslin or La Digue). However, my online searches only come up with yacht charters, which is not what I'm looking for as I can't sail! What we want is a small motor boat (6-8m) with a cabin and somewhere to cook. Does anyone know a company specialising in such charters, or someone who has such a boat and is willing to hire it out? Thanks!