17 May 2011:

We reached the end of the main island after wading through an inlet leading to Tai Tapu, a sheltered lagoon/bay where baby sharks breed. we saw at leash one small leopard shark wriggling across our path over the shallow protective sand barrier.

Rough notes:

http://mandarinmanmarktravelnotes.blogspot.com/2012/04/2011-nz-to-sf-day-4.html