The Westin Tokyo Hotel is one one of the nicest hotels in the area. The Hotel New Grand offers babysitting services, and also has a nice bar.  The Hotel New Grand is located very close to the Yokohama Bay.  The Westin Tokyo Hotel and the Hotel New Grand are both great examples of luxury Yokosuka hotels.  The Yokohama Zoo is also located nearby for an interesting view of unique animals.  The Rose Hotel Yokohama Hotel can give you a nice room for around only 150$ a night. The Intercontinental Yokohama Grand is another nice hotel that charges less than 200$ a night.  The Rose Hotel Yokohama and the Intercontinental Yokohama Grand are both located within 15 miles of Yokosuka. they are near the Yokosuka City Cultural Museum.