Got a few hundred million to spare? This luxury toy is supremely awesome. Monaco-based Wally Yachts, has created WallyIsland, a massive 325-foot yacht with a giant main platform which can be home to a garden oasis, a large lounge, a heliport, a tennis court or anything else your imagination desires. It has six large cabins that can also be turned into 12 smaller cabins for up to 24 guests and there are 20 double cabins for 40 crew members. A library, cinema, spa and fitness area will help keep everyone entertained. In addition, the enormous aft deck has been designed to house two 45-foot WallyPower tender yachts, other yachts, and watertoys. Who said money can't buy you happiness?