Nautilus Plus Gym and Fitness training center with no contract options. Free weights, cardio, and more in Douglas. www.nautilusplus.co.uk Situated on the main arterial Peel Road, Douglas, Isle of Man, Nautilus Plus Gym & Fitness is within easy reach of all locations with over 60 FREE car parking spaces. This amazing exercise facility has a second to none range of exercise equipment - free weights, resistance machines, cardio and functional training zones. . Free Day Pass available to new users.