Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Atami (33% of total searches to Shizuoka Prefecture). The next most popular destinations are Itō (33%) and Shizuoka (17%). Searches for hotels in Shimoda (17%) are also popular.
KAYAK users have found double rooms in Shizuoka Prefecture for as cheap as $32 (Itō) in the last 3 days. The average price is $255.