When I stayed at the Hilton Tokyo Bay property several years ago, I had no problems taking the train to virtually anywhere I wanted to go in Japan, whether I was going to the airport, Lake Chuzenji or Kyoto.

There is a shuttle from the Hilton Tokyo Bay property to the Tokyo Disneyland train station, which can be seen from the property. Unless you have a lot of luggage with you, you can take a 10-minute walk to the train station from the hotel.

The train can be taken into Tokyo where a special train to the airport can be taken, but I forget the details. I remember having no problems, however — even with luggage...