Kauai’s Na Pali Coast is legendary for its dramatic cliffs and rugged beauty, and this scuba tour offers a chance to see it from the water — not just from land or boat. While we haven’t personally taken this exact trip, the detailed information available paints a compelling picture of what you can expect.
It’s tailored for certified divers craving an adventure that combines underwater exploration with awe-inspiring coastal scenery.
What we particularly like about this experience is the combination of two dives at Mana Crack, a rare and visually stunning reef, and the opportunity to explore the Na Pali Coast’s sea caves and waterfalls during a generous surface interval. It’s a full-day, action-packed excursion that promises both adrenaline and natural beauty.
However, it’s worth noting that this tour is not for beginners. You’ll need at least 15 previous dives under your belt, and it’s a fairly strenuous, fast-paced outing. Still, if you’re a seasoned diver looking to explore one of Hawaii’s most unique dive sites, this could be a highlight of your Kauai trip.
This experience best suits certified divers seeking a combination of underwater adventure and scenic coastal touring, especially those comfortable with strenuous conditions. If you’re looking for a relaxed snorkel or a less demanding day, this might not be the right fit.
This experience made our article of Top 7 Full-Day Tours In Kauai.
- Key Points
- An In-Depth Look at the Kauai Mana Crack Scuba Tour
- What makes this tour special?
- The itinerary explained
- The second dive
- What about the scenery?
- What equipment and amenities are provided?
- Is it worth the price?
- How does it compare to other Kauai experiences?
- Who should consider this tour?
- The Sum Up
- FAQ
- The Best Of Kauai!
- More Full-Day in Kauai
- More Scuba Diving Tours in Kauai
- More Tour Reviews in Kauai
Key Points
- Two dives at Mana Crack offer a chance to explore one of Hawaii’s most distant and impressive reefs.
- Includes a scenic tour of the Na Pali Coast, with sea caves, waterfalls, and possibly dolphins and whales.
- Early start at 6:30 am helps beat the wind and ensures optimal conditions.
- A full-day commitment (approx. 8 hours), with a focus on experienced divers.
- Cost of $650 reflects a premium experience, given the exclusivity and scenery.
- Small group size (max 6 travelers) provides a more personalized adventure.
👉 See our pick of the 15 Of The Best Workshops & Classes In Kauai
An In-Depth Look at the Kauai Mana Crack Scuba Tour

You can also read our reviews of more scuba diving tours in Kauai
What makes this tour special?
This is not your typical Hawaii underwater outing. Mana Crack, an 11-mile-long sunken barrier reef, is one of the furthest off-shore dive sites in the state. You get the feeling of venturing into uncharted waters—literally. The site’s noted for excellent visibility and diverse topography, which includes drop-offs, lava formations, and caves, making it a magnetic spot for experienced divers.
The itinerary explained
The day begins early, at Kikiaola Small Boat Harbor at 6:30 a.m. — yes, early, but the benefit of starting this early is avoiding the wind’s worst. The drive to the Na Pali coast takes approximately 30-40 minutes, giving you time to prepare and get your gear ready.
Once there, you’ll embark on your first drift dive at a location generally between 50 and 100 feet deep. Expect to see large fish, barracuda, eagle rays, and reef sharks, plus the chance to spot java moray, rainbow runner, and black surgeonfish, especially if you’re a repeat visitor familiar with Kauai’s underwater life.
After the first dive, you’ll enjoy a relaxing 90-minute surface interval. This isn’t just downtime — it’s an integral part of the experience. During this time, your guide will take you on a scenic tour of the Na Pali Coast, with opportunities to explore sea caves, lava tubes, waterfalls, and hidden beaches. If you’re lucky, you’ll even see spinner dolphins and during the winter months, humpback whales.
The second dive
The second dive is at a different drop point—usually a few miles away—and slightly shallower, between 45 and 80 feet. This offers a different perspective of Mana Crack’s underwater landscape, with opportunities to see more reef fish and possibly sharks like the grey reef shark.
What about the scenery?
The Na Pali Coast scenery between dives is a major highlight. The towering cliffs, lush waterfalls, and secret beaches create a spectacular backdrop for your surface break. The boat gets in close to sea caves, and the guides are experienced in navigating these tricky caves safely.
You can also read our reviews of more tours and experiences in Kauai
What equipment and amenities are provided?
The tour includes scuba and snorkeling equipment, ensuring you have what you need without extra hassle. Also provided are snacks, bottled water, and aloha juice, so you stay refreshed during the day’s exertions. You’re advised to bring sunglasses, a hat, and a light jacket — the wind can be brisk once you’re out on the water.
Is it worth the price?
At $650 per person, this is a premium experience. Given that it includes two dives at a remote reef, a scenic coast tour, and all gear and snacks, it offers good value for the kind of adventure and scenery packed into one day. It’s a high-cost outing, but for experienced divers craving a rare, off-shore site combined with coastal exploration, the price is justified.
How does it compare to other Kauai experiences?
While many trips focus solely on snorkeling or boat tours, this combines hardcore diving with sightseeing, making it stand out. The small group size (max six) ensures personalized attention, which many travelers appreciate. Plus, the option for a full refund if canceled due to weather provides peace of mind.
Who should consider this tour?

This dive tour is best suited for certified divers with at least 15 previous dives. It’s recommended for those comfortable with strenuous activities and familiar with deep, drift, and reef diving. If you’re someone who loves adrenaline, exploring underwater caves and reefs, and has a passion for scenic coastal views, you’ll find this trip well worth the investment.
If you’re traveling with beginners or prefer a more relaxed day, this might be too demanding. Similarly, if you’re more interested in simply snorkeling or wildlife watching, there are gentler options available.
The Sum Up

This full-day Kauai scuba adventure offers a rare blend: two dives at an off-shore, top-tier reef, combined with an up-close tour of the Na Pali Coast. Its focus on experienced divers means you’ll get more than just a surface experience — you’ll get a chance to explore vibrant marine life, rugged coastline, and hidden sea caves that are hard to access otherwise.
The tour’s value lies in its combination of adventure, scenery, and personalized service, making it ideal for seasoned divers who want to see Kauai’s underwater world at its best. The early start and strenuous pace might not suit everyone, but for those ready for a full day of exploration, it’s a memorable way to deepen your connection with the island’s natural beauty.
In short, if your goal is adventure, stunning views, and underwater discovery, this Kauai scuba experience hits all the right notes.
Full Day Scuba Dive Off The Na Pali Coast, Kauai-Mana Crack
FAQ

Is this tour suitable for beginners?
No, this experience is designed for certified divers with at least 15 previous dives. It involves deep, drift, and potentially strenuous conditions.
What time does it start and how long does it last?
The tour begins at 6:30 a.m. and lasts approximately 8 hours, including dives, surface interval, and coast tour.
What is included in the price?
Your fee covers scuba and snorkeling equipment, lunch, bottled water, snacks, and aloha juice.
Do I need to bring anything?
Yes, bring a hat, sunglasses, a light jacket, and possibly your own dive certification cards. Comfortable clothing and sun protection are also recommended.
What happens if the weather is bad?
If weather conditions are poor, the tour will be rerouted to the south side of Kauai with a 45% discount or rescheduled.
How many people are in the group?
The maximum group size is 6 travelers, ensuring a more intimate experience.
Can I cancel if my plans change?
Yes, cancellations are free if made at least 24 hours in advance. Cancellations less than 24 hours before the start are non-refundable.
What marine life might I see?
Expect to see barracuda, eagle rays, reef sharks, and more, with the possibility of spinner dolphins and humpback whales during winter months.
Is transportation included?
No, you need to meet at Kikiaola Small Boat Harbor; transportation to the harbor isn’t provided.
This Kauai scuba experience is a well-curated choice for those ready to explore Hawaii’s underwater and coastal splendors in one unforgettable day.






























