Did they ever specify how many Maquis crew members were on the ship? You never saw more than a handful and there couldn't have been that many on Chakotay's ship.
Not counting Paris, Tuvok, or Seska, we know of 20 named Maquis
in Chakotay's crew. However, there were no doubt others we saw as extras.
In "Repression," it was stated that "almost a quarter" of Voyager
's crew was Maquis, meaning the number was somewhere around 35, and that's after all the fatalities during the Caretaker's abduction and the previous six seasons. So Chakotay's ship must've been roomier than it looked.