Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Picton (78% of total searches to Marlborough Sounds). The next most popular destinations are Blenheim (19%) and Portage (1%). Searches for hotels in Havelock (1%) are also popular.
KAYAK users have found double rooms in Marlborough Sounds for as cheap as $83 (Blenheim) in the last 3 days. The average price is $214.