www.havelockNZ.com - Read more about Havelock and things to do.
www.themailboat.co.nz - Departing from Havelock Marina, you have the opportunity to join the world famous Pelorus Mail Run, to outlying areas of the Pelorus, see amazing wildlife, mussel farms and maybe dolphins.
www.nzseakayaking.com - Kayaking & cycling at Queen Charlotte Sound/Anakiwa (self or guided tours from Linkwater)
www.marlboroughtourcompany.co.nz/ - Greenshell Mussel Cruise departs Havelock Marina and includes visiting a mussel farm, sampling local wines and mussels of course. Extensive range of daily tours to local wineries and Marlborough icons.