Sometimes superyachts as they are tend to not be enough for multimillionaires, that?s why with 500 exhibitors in attendance and plenty of cash on hand at Monaco Boat Show, there are plenty of new accessories to keep owners and their guests entertained.

They can splash on submarines that allow for underwater exploration, inflatable slides and a ?500,000 nautical-themed sports car that comes with a container built just for superyachts and the conditions at sea.

Check out the most extravagant and expensive superyacht toys at this year?s Monaco Yacht Show: