Sometimes a yacht just isn’t enough.

Yacht sales have increased 10 percent to 15 percent a year in the last few years, and this year was no exception. Since everyone who is anyone has to have a yacht, and increasingly does, what buyers want most now, naturally, are accessories: minisubmarines and helicopters.

Read the whole story at the International Herald Tribune, with some awesome photos.

Pictured above is the U-BoatWorx Submersible, photo courtesy U-BoatWorx