Onetahuti Bay Campsite is a sheltered, grassy beachside campsite within Abel Tasman National Park in the Nelson/Tasman region of New Zealand's South Island. It sits 38. 7 km along the Abel Tasman Coast Track from Marahau and 14.

2 km from Totaranui campground, on the Mosquito Bay to Awaroa section of the track. There is no road access; the campsite is reached on foot via the Coast Track, across Onetahuti Bridge, or by scheduled water taxi.

It is classified as a DOC Great Walk Campsite, and bookings are required. Note that the DOC Campsite Pass cannot be used here.