Originally Posted by
hanajiro
All of the Prince Hotels in the Shinagawa area (Shinagawa Prince, Grand Prince Takanawa, New Takanawa and Prince Sakura) share a free shuttle bus service that loops through all the hotels with a stop at the JR Shinagawa Station.
As someone who has a wheelchair bound sister, I would advise OP to check with the hotels to see if the shuttle bus is wheelchair/handicapped accessible if they plan on utilising this service. We had a recent stay at a hotel in Hong Kong that offered something similar but my sister couldn't use it as the bus was not wheelchair accessible, nor did it have somewhere for the foldable wheelchair to be stashed.