Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Hakone (61% of total searches to Kanagawa Prefecture). The next most popular destinations are Yokohama (30%) and Kawasaki (5%). Searches for hotels in Kamakura (4%) are also popular.
KAYAK users have found double rooms in Kanagawa Prefecture for as cheap as £15 (Yokohama) in the last 3 days. The average price is £168.