Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Krabi (91% of total searches to Phang Nga Bay). The next most popular destinations are Ko Yao Yai (5%) and Ko Yao Noi (4%). Searches for hotels in Ban Sung (0%) are also popular.
KAYAK users have found double rooms in Phang Nga Bay for as cheap as $6 (Krabi) in the last 3 days. The average price is $80.