In addition to a 25 ft, I carry a @3 ft drinking water hose and a splitter for the hose bib. I don't have outdoor shower and it's handy for filling a dishpan for rinsing my grandkids' feet at the beach or other dusty sites. If I'm just overnighting I can use it by itself to fill a jug or Brita filter pitcher to last my stay. Easier getaway, staying one step ahead of the law, y'know.
I have three of these, bought on sale at camping world. They are about 19" square and open about 7". They are great for the detachable power cord, the water hose, an extension cord, etc. They are pretty sturdy and if the hoses aren't really dirty, it's easy to just coil and stow.
https://www.campingworld.com/eco-sho...s--116606.html
Adding that I also carry a household extension cord...once at a pricey So Cal beach site, no alternate site possible, the 30 amp wouldn't work and I ended up using that.