54 but on that note there not going to turn you away if there is a way to make it work that you'll fit. The bathrooms and showers and all new and amazing one of a kind for a rv park. If you can get a Bayview spot 100% recommend it its too beautiful for words
Ours is 39+ and we fit.
Don't know for sure but ours is 35ft and it had much larger units in other spaces
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