Into the Submerged Arches: Diving the Volcanic Canyons of the Poor Knights

TUTUKAKA SCUBA FIELD GUIDE

Into the Submerged Arches: Diving the Volcanic Canyons of the Poor Knights

A full-day boat trip from Tutukaka that includes two dives, island tours through volcanic arches and caves, and chances to spot dolphins and whales — this guide clarifies what to expect and how to prepare.

Into the Submerged Arches: Diving the Volcanic Canyons of the Poor Knights.

Duration
8 hours
Location
Tutukaka
Operator
Dive! Tutukaka & Perfect Day
Category
Scuba
Robert Eric Crews
Founder & Editor, The Adventure Collective
Published Verified

From Tutukaka, a full-day boat excursion threads through a protected marine reserve where volcanic arches, caverns and sheer cliffs frame reefs alive with temperate and tropical fish — the day comprises two dives at skipper-selected sites, an island tour when conditions allow, onboard briefings and complimentary hot drinks.

Highlights

Outing Highlights

Volcanic arches, caves and dramatic cliffs
THE LANDSCAPE

Volcanic arches, caves and dramatic cliffs

The Poor Knights’ ancient lava formations create arches, caves and vertical cliffs that shape dramatic dive sites and memorable island views when weather permits a circumnavigation.

Dense encrusting life and tropical visitors
THE LIFE

Dense encrusting life and tropical visitors

The reserve’s mix of temperate and tropical species produces prolific fish populations and rich encrusting life, making underwater visibility and encounters exceptionally vivid.

Two dives and a chance to see marine megafauna
THE ENCOUNTERS

Two dives and a chance to see marine megafauna

The itinerary includes two dives at different skipper-chosen sites and time en route to look for dolphins, whales and abundant seabirds; the crew provide briefings and keep the day moving.

What the day feels like

The Day: Flow and Feeling

You meet at Tutukaka, board in the morning and cross to the Poor Knights for two dives at sites the skipper selects; between dives you get a surface interval of roughly 1.5 hours for lunch and hot drinks, then finish with an island tour of arches, cliffs and caves (conditions permitting) before returning to Tutukaka mid- to late-afternoon.

Volcanic arches, caves and dramatic cliffs

THE LANDSCAPE

Volcanic arches, caves and dramatic cliffs

The Poor Knights’ ancient lava formations create arches, caves and vertical cliffs that shape dramatic dive sites and memorable island views when weather permits a circumnavigation.

Dense encrusting life and tropical visitors

THE LIFE

Dense encrusting life and tropical visitors

The reserve’s mix of temperate and tropical species produces prolific fish populations and rich encrusting life, making underwater visibility and encounters exceptionally vivid.

Two dives and a chance to see marine megafauna

THE ENCOUNTERS

Two dives and a chance to see marine megafauna

The itinerary includes two dives at different skipper-chosen sites and time en route to look for dolphins, whales and abundant seabirds; the crew provide briefings and keep the day moving.

Suitability

Who it's for

Who benefits most from this outing — and who should take extra care.

1
Experienced DiversBest for divers comfortable with open-water boat dives and following skipper-selected routes; the day includes two dives and skipper-directed sites.
2
Families with Older ChildrenFamilies can attend but must actively supervise children onboard — boats are not playgrounds — and follow skipper instructions; operators accept younger participants only within the trip guidelines.
3
Wildlife and Underwater Photography EnthusiastsIdeal for people focused on marine life and dramatic underwater geology thanks to prolific fish populations and volcanic arches and caves.
4
Novice or Unguided DiversUnguided or less-experienced divers must remain within the limits of their scuba certification and follow skipper direction; briefings are provided but the environment is an active marine reserve.

Practical planner

Details to review before reserving

Timing & Duration

Full-day outing lasting approximately 8 hours; boarding begins from 8:30 with return to Tutukaka Marina around 3:30–4:30 pm.

Meeting Point

Meet at the Poor Knights Dive Centre at Tutukaka Marina; arrive at Dive! Tutukaka by 8:00 for an 8:30 boarding.

What to Expect Onboard

The crew provide dive briefings and complementary hot drinks; the day includes two dives with a surface interval of about 1.5 hours for lunch.

Rules & Permits

Landing on the islands without a permit is strictly prohibited; stay within skipper-identified boundaries and avoid climbing on rocks or entering restricted caves/cracks.

Booking Notice

Review cancellation policies before reserving.

Frequently asked questions

Planning Your Outing

How long is the trip?

The outing is an approximately 8-hour full-day trip.

How many dives are included?

The day includes two dives at different sites chosen by the skipper.

Where and when do we meet?

Meet at the Poor Knights Dive Centre in Tutukaka; arrive at 8:00 and boarding starts at 8:30.

Will I see wildlife?

There are opportunities to see dolphins, whales and abundant seabirds en route, and prolific fish populations at the dive sites.

Can we land on the islands?

No — landing on the Poor Knights Islands without a permit is strictly prohibited; follow the skipper’s boundaries and instructions.

What happens during the surface interval?

There is a surface interval of about 1.5 hours for lunch and hot drinks provided onboard before the second dive.