The Best Snorkel Tour on Big Island Hawaii

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As far as I’m concerned, half the point of visiting Hawaii is spending time on the water and the Big Island is the perfect destination for that. Kona snorkeling is top-notch, but there are tons of locations and boat tours to choose from.

With so many ocean-based tours available, we looked for one that combines everything into one day and I found it: the best snorkel tour on Big Island includes sea caves, a zippy zodiac ride, whale watching (in season), dolphin watching, and of course two fabulous snorkel spots at Honaunau Bay and Kealakekua Bay.

This tour cost a little more compared to other options, but it was basically three or four tours in one amazing day!

snorkel tour big island hawaii
Our annual girls’ getaway took us out to the Big Island of Hawaii!

Most Famous Kona Snorkeling Spots

Our boat tour (and most other Big Island snorkeling tours) was scheduled to visit two of the best-known spots on the island: Honaunau Bay and the infamous Kealakekua Bay.  

Honaunau Bay is also referred to by many other names, including City of Refuge, Two Step, or Pae’a. Kealakekua Bay is also known as Captain Cook snorkeling since it’s right by the Captain Cook monument.

Because both of these spots are accessible from shore, we almost skipped over joining a snorkel tour entirely. It seemed a lot cheaper to just head out on our own with a rental car and a set of snorkel gear. After doing some more research, Kealakekua in particular sounded slightly challenging to visit on your own. You need to either hike two miles each way (uphill on the way out!) or kayak to get in (and if you kayak, you need a permit to beach your kayak on shore).

In the end, I was won over by the speed and excitement that zodiacs are known for.  I could just picture the ride paralleling the coastline with the breeze in my hair.

Whale Watching On the Big Island

Snorkeling was the main event, but we were traveling during whale season (best mid-January through early March, but you might get lucky November through April). As we set off along the coastline, our guide told us to be on the lookout for whales and that we had a little buffer time in our schedule in case we had saw any.

I had already been spoiled with a few sightings the night before on my manta ray trip, so I knew exactly what to spot.  Sure enough, humpbacks were migrating through the region and we had the opportunity to watch an especially playful young whale.

whale tail on the big island hawaii

At that point, we already were having a great trip — and we hadn’t even gotten in the water yet!  It’s always a good sign when your expectations are exceeded so early on in the tour!

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Honanaunau Bay, or the “City of Refuge”

Honaunau Bay is considered one of the island’s top snorkeling spots because the inner shoreline is protected from most of the coastal swells, keeping the water calm.  Excellent visibility, fairly shallow waters, and healthy coral gardens really just add to the experience.

fish in honaunau bay kona hawaii

The water here is not deep near shore — maybe 10 feet or so — so the sunlight easily reaches the bottom. That makes for great visibility underwater AND it means the coral gets lot of light to grow super healthy. The fish hang out in the coral, so you might see parrot fish, tang, and even cooler species like moray eels and turtles.

The water does get very deep as you reach the center of the bay, but there’s plenty to see in shallower waters if you’re not comfortable in the deep water.

Captain Cook Snorkeling (Kealakekua Bay)

Our second stop was snorkeling near the Captain Cook Monument and was even better. Officially, this is Kealakekua Bay (the monument is just a navigational reference).

Kealakekua Bay snorkeling is inside a marine life conservation district, so visitor access is limited to protect the reefs. That means a better experience for you — healthier marine life AND smaller crowds! The water here is a brilliant turquoise color and underwater visibility is excellent.

Best of all, spinner dolphins often rest in the deeper waters of Kealakekua Bay since it’s a naturally protected cove (and a marine sanctuary).  We were lucky with sightings and enjoyed watching these dolphins swim, play, and jump.

Even after our two snorkeling stops, our tour still wasn’t quite over.  

Visiting Sea Caves by Zodiac

The main advantage to traveling via zodiac instead of a catamaran is that these rafts can maneuver into small, tight places, which is perfect for exploring the lava formations along the coastline.  We stopped for sea caves, lava tubes, and blowholes, just to add to the excitement.

seaquest snorkel tour big island hawaii

All in all, this day was more than I could have asked for because it offered far more than just snorkeling and swimming, which we could have done on our own.  Instead, we got a thrilling ride, rugged landscapes, and incredible whale and dolphin sightings.  Out of the three separate snorkel tours we took, this was definitely the best snorkel tour on Big Island.

Book Your Own Kona Snorkeling Tour

Our experience really was heightened by taking a zodiac tour instead of snorkeling on our own.  The zodiacs go fast and tend to have smaller groups than catamarans or other Big Island snorkeling tours.

We went with SeaQuest and highly recommend their services.  In fact, we liked them so much we tried to book them again later that week for a dolphin swim tour (unfortunately they were sold out and the other operator we went with was not nearly as good).

Our two-stop snorkel tour had plenty of time in the water plus time for other touring and marine life spotting, was environmentally responsible, and included snacks like bottled water and juices, fresh fruit, cookies, and addictive Maui onion chips.  

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For other great things to do on the Big Island, check out my other guides:

7 thoughts on “The Best Snorkel Tour on Big Island Hawaii”

  1. One of the great things about taking a zodiac tour is the small group of people going out together. You get a much more personalized service and you never feel like you are on top of people in the water.

    1. @Scott, I agree – we had a group of about 10 people which was enough of a group to have fun and meet new people without being overwhelmed by crowds!

  2. Nice, we love Hawaii too. We never paid for snorkel excursions (except the manta rays at night) on the big island. We found some great places right off shore at place of refuge (known as “two step”) south of Kona. A few places more near our last stay north near Waikaloa included “A-Bay” near the Marriott we stayed at and a black sand beach with crystal clear water and public access in a gated community (49 black sand) ,the gate guy gives you a pass, while we were there a snorkel boat pulled in for a while…I was glad I didn’t pay the boat to go around the corner and drop me here. We learned of this spot and a few others from a local named Aukai who worked at the snorkel Bob store….he had a whole book full of spots and was happy to give us directions, and tips, all for free. There are some places like Kealekekua that are hard to get to without a boat and might be worth the price, but only after checking out the free from shore spots. If you ever make it Maui Molokini Crater is one snorkel trip worth paying for.

    1. @wise2u, We also did some free snorkeling, at Place of Refuge as you mentioned and on the east side. The snorkeling was roughly the same at every stop we went to, whether by shore or by boat, but our tour was much more fun for the add-ons that really had nothing to do with snorkeling. Variety is the spice of life! 🙂

      Thanks for the tip on Molokini Crater; when I make it back to Hawaii, Maui is top of my list.

    1. @Anita, I had a good time but surprisingly, I wouldn’t put it in my top 10 best vacations list. Great state but I think you need more time to take advantage of it.

  3. Thank so much for the tips. I was considering taking a solo trip to Hawaii but I was afraid of going snorkeling alone. I’m obsessed with snorkeling, but I know it’s unsafe to go out on my own. It would be great to take a group tour so I have a small group to stick with.

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