D&D 5E - Folding boat deck plan

The main problem is the combination of a cabin and oars. The deck is only 24' by 8' with five pairs of oars. That means room for 10 people to sit along the sides and effectively row. They cannot be sitting next to the cabin, because there is no way to pull that off. Let's say you cram them into 3 feet of rowing space on each side. The cabin is now 2' wide. So the rowers either need to be sitting on top of the cabin, or just skipping the area covered by the cabin.

So how much area should that cabin cover? If we make it 8' long, it eats up a third of the ship. Is there a good placement for that that still allows for rowing, or should there be a couple seats just stuck up on top of the cabin?

Putting the cabin in the front or middle makes it harder for the crew member with the tiller to see where they are steering. Putting the cabin in the rear puts that crew member on top of it with the tiller, making it harder to physically manage. You also have to deal with the interaction between the mast and the cabin.

What sort of monstrosity do we have to create here to make this thing work?

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