Swimming With Wild Dolphins
The Bay of Islands supports resident and visiting populations of common dolphins and bottlenose dolphins — and the bay is one of the most reliable places in New Zealand to encounter dolphins in the wild. Dolphin-watching tours run year-round from Paihia and Russell, with the boats locating the pods (the skippers communicate between vessels and know the dolphins’ habitual areas) and manoeuvring to allow viewing from the boat.
Swimming with dolphins is permitted under Department of Conservation regulations — when the dolphins are in a suitable behavioural state (feeding, socialising — not resting or with very young calves), the guide assesses the situation and allows swimmers to enter the water. The dolphins choose whether to interact — and when they do (circling, approaching, making eye contact, performing acrobatics), the encounter is one of the most thrilling wildlife experiences in New Zealand.
Sighting rates are high — approximately 85–90% of tours encounter dolphins during the peak season (November–April). Year-round rates are slightly lower. Swimming encounters (where the dolphins’ behaviour allows swimmers in the water) occur on approximately 60–75% of tours during peak season.
Frequently Asked Questions
Can I swim with the dolphins?
Swimming is permitted when the dolphins’ behaviour is appropriate — the guide assesses each encounter. Swimming opportunities occur on approximately 60–75% of tours during peak season. You need to be comfortable swimming in open water with a wetsuit and snorkel.
What dolphin species are in the Bay of Islands?
Common dolphins (the most frequently encountered — fast, acrobatic, often in large pods) and bottlenose dolphins (larger, calmer, often in smaller groups). Orca (killer whales) are occasionally sighted but rare.
Is swimming with dolphins ethical?
The Bay of Islands dolphin-swim operations are regulated by the Department of Conservation — approach distances, swimmer numbers, and encounter duration are controlled. The dolphins choose whether to interact (the swimmers enter the water and the dolphins decide whether to approach). The regulations are designed to minimise disturbance. The ethical question is genuine — research on long-term impacts on dolphin behaviour continues.