score:4
Renting a motorboat is quite expensive here. One of the best deal I managed to found that barely meets your criteria is in Gaeta. The site is quite shitty and it's Italian only so here is what it says:
Gommone "Joker Boat" 5.5 mt, renting from 8:30 to 18:30. Prices are without fuel:
You better contact them to make sure these informatins are not outdate!
Here are the contact informations: Maga' Noleggio - barche e gommoni con e senza patente nautica Via Lungomare Caboto - Gaeta Cell. 349.0943062 E-mail: [email protected]