The sister vessel Wally was designed by super - yacht designers Wally . However , the giant mega-yacht 'Wally Island ' offers exactly that . Wally II is still in the planning stage awaiting a launch . The deck contains a tropical garden , or can be converted to a tennis court .
The sister vessel Wally was designed by super - yacht designers Wally . Wally II is still in the planning stage awaiting a launch . The deck contains a tropical garden , or can be converted to a tennis court .