Coromandel Ocean Adventures is the only commercial operator running tours to the Aldermen Islands, meaning it's the sole way to experience this protected area by guided boat tour.

The tour takes you to Ruamaahu Nature Reserve, a dramatic, largely untouched island group known for its sea cliffs, rock formations, and marine life. Guests can expect to see native seabirds and marine wildlife in a setting most visitors to the Coromandel never get access to.

This tour suits guests wanting a more adventurous, off the beaten track experience — couples, wildlife enthusiasts, families and travellers who want to see somewhere genuinely exclusive rather than a standard coastal loop. The longer 120-minute duration and offshore setting make it a better fit for older kids and adults, however younger children also enjoy the experience

Yes we have had many families with young children join the Aldermen Islands Tour and enjoy the experience. This is an offshore tour so families should ensure that young children feel comfortable being on the boat for 2+ hours

Snorkelling gear is provided, and the clear waters around Ruamaahu Nature Reserve make it a strong option for guests wanting to get in the water. Conditions on the day determine exactly where and when snorkelling stops happen.

Because Coromandel Ocean Adventures is the only operator with access to the Aldermen Islands and the tour is seasonal, it's worth booking earlier than you might for the other tours, especially over summer. Availability is shown live on the booking page at coadventures.co.nz.