Do you need to make reservations?

Yes.

Hmmmmmmmm ........... Yes

Yes and usually the good spots you have to reserve a month or two ahead of time especially in the summer. If you are disabled the fee is half price. some are specially designed for those with mobility problems, but those will go first of course. go online and you'll see which ones are full hookups and which are primitive and where are the public showers and toilets