The hotel is directly above the JR Tokaido Shinkansen Shin-Yokohama Station.
It boasts a great location where you can also direct access to Nagoya and Osaka as well as Tokyo and Yokohama.
From JR Shin-Yokohama Station ticket gate it is about 1 minute on foot, you can come directly to the lobby on the 10th floor with a direct elevator.
Hotel Associa Shin-Yokohama
〒222-0033 Yokohama-shi Kohoku-ku Shin-Yokohama 2-100-45
From the Shinkansen west gate turn left to the elevator next to JR Tokai Tours on the left.
The innermost part is the hotel direct elevator. There is a hotel front when you go up to the 10th floor.
You can see the access from the Tokaido Shinkansen west gate to the hotel with a video.