About a workaround for a tent without a large, set up chairs size vestibule, we use a tarp. A simply blue tarp with some tie outs, and throw it over the table that most campsites provide. Inexpensive and effective. If we need mosquito protection we have large inexpensive mosquito netting, easy to find at surplus stores or even amazon. Maybe something like this would be large enough for three:
The tarp is nice also because if it’s daytime and we are waiting around for rain to stop, I don’t mind setting up the blue tarp over the campfire.
Going back to the size of the tent, usually it’s not a problem, But it has been at times. We do 2-3 week road trips with extended family and we camp every night, usually in places we have never been to… For example on our last trip, I was looking for a campsite by a lake in Southeastern PA, arrived there about 1 hour before dark, staff was gone. Never been to the place. I was looking for spots to set up my 4 person tent and the Big House 6 in the same site. Plenty of families camping, so not a lot of sites empty. I had to pass the first three sites I found. They all would accommodate our 4 person (roughtly 8’x8′), but not the Big House as the sites were carved on the side of slope with trees not only all around, but also within the small flat platform areas that had been carved on the side of the hill. I was thinking I was going to have to split the group between two sites, but we would have been far from each other as none of the available sites were in close proximity. Finally I could make do on the fourth site, but again, the relatively small Big House 6 floor was not all usable, the site was only large enough to pitch the two tents.
Not the only time this has happened with this Big House 6… But I was able to manage every time and stay in tent sites eventually, although again, not using the whole floor at times. There’s no way I would have found a tent site at that campground for my friend’s three room 12 people Coleman monstruosity since the trees were in the way. Not even if that was the only tent in the platform. We would have to take an RV site, which we’ve had to do at times. But I tend to avoid, as I have experienced more unnatural noises and other disturbances in those occasions (loud tvs, generators, bright lighting, etc) and also gravel surfaces, higher prices, etc… No offense intended, my wife wants to buy an RV when we retire, but for now, we prefer tent sites for our tents.
Again, it depends on what kind of camping you do. If you stay local in the same 2 or 3 parks people always tend to go to, then no big deal. You know the area and you can buy accordingly. But if your camping is diverse and you go to places where the situation will be unpredictable, I would look for the 4 person tent or maximum 6, but no fancy vestibules, multiple rooms, etc. At that point just get multiple 4 person tents… And a fly that reaches to the ground all around for better weather protection. Bring a blue tarp of desired size and mosquito netting if rain and/or bugs are a concern…