Location. Daiwa Roynet Hotel Hamamatsu is located in Hamamatsu, close to Hamamatsu Arena. Hotel Features. Daiwa Roynet Hotel Hamamatsu features dry cleaning/laundry services and an elevator (lift). The front desk is open during limited hours. Guestrooms. All accommodations at Daiwa Roynet Hotel Hamamatsu offer blackout drapes/curtains and hair dryers. Wireless Internet access is complimentary. Flat panel televisions are available in guestrooms. Notifications:The Japanese Ministry of Health, Labour, and Welfare requires all international visitors to submit their passport number and nationality when registering at any lodging facility (inns, hotels, motels, etc. ). Additionally, lodging proprietors are required to photocopy passports for all registering guests and keep the photocopy on file.