There are many activities to keep you busy in the Westport area and  beyond. Here are some ideas:

 Heaphy Track - One of New Zealands most well known tracks - 3-5 day  walk through coastal forest and over the high country plateau

. New Zealand Fur Seal Colony - Cape Foulwind near Westport
 While you are here check out the fantastic surf in the Bay, and visit the  Bay House Cafe for a coffee or a meal

 Westport Coal Museum - delve into the pioneering mining days of the  Buller region

 Paparoa National Park - Spectacular Pancake Rocks & Blowholes at  Punakaiki

 Useful links:  
   Westport.org.nz (useful site with lots of information)
   Virtual tour of NZ South Island
  
Onenz  (info about NZ tourism)
   Punakaiki
   Buller Adventure Tours
  
Westcoast.org.nz