Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Picton (57% of total searches to Marlborough Sounds). The next most popular destinations are Blenheim (40%) and Havelock (2%). Searches for hotels in Renwick (1%) are also popular.
KAYAK users have found double rooms in Marlborough Sounds for as cheap as $90 (Havelock) in the last 3 days. The average price is $203.