Portage Marina is located in the pristine Kenepuru Sound in the Marlborough region of New Zealand's South Island.

Kenepuru Sound is part of the Marlborough Sounds, a network of sea-filled valleys at the top of the South Island, offering sheltered waters popular with boaters and kayakers.

The marina serves as an access point for exploring the surrounding sound and its scenic coastline.

--- *Note: The available snippet provides only minimal detail about Portage Marina specifically, with much of the source content describing Picton Marina instead. The description above reflects only what can be confirmed about this POI. *