There are many various companies thay may be helpful for you, but personally, I may advise only to rent a sailing boat in greece on https://12knots.com/en/yacht-charter/de ... ea/greece/ and look at yacht rental greece prices there. It isn't really expensive, I believe thay everyone can afford it.
Yes, cheap car rentals have now become all the time choice for tourists in Dubai. Different states of UAE are having different tourist destinations and almost all of them demand to move on the car. moreover, if someone chooses to rent a car it will be free from wear and tear cost and also the process for car rental has become very easy these days.