Of the options you listed I like the Grady White 191 CE the most. There are cushions that can be put on the front and you can add back rests for more seating options. I see people on small boats with the whole family quite often where I am. It may be small but at least everyone gets out on the...
I agree with @Roadking57 , you can flush the boat thru holes and make sure there is no snake eggs or feces that clogged anything. If a snake comes out, have a bat, gaff, or Bebe gun and kill it lol. Obviously hit it when it’s not on or in the boat.