Beaches & Coast

Mauna Kea Beach (Kaunaʻoa): A Guide to Parking & Snorkeling

Often called the best beach on the Big Island, Mauna Kea Beach (Kaunaʻoa) is a perfect crescent of white sand. But getting in requires planning—here’s how to do it.

October 1, 2026 • 9 min read • by Big Island Tours Editorial

Mauna Kea Beach, officially known as Kaunaʻoa Beach, is the kind of place you see on postcards. It's a long, gentle crescent of powdery white sand bordering a turquoise bay, framed by black lava rock points. For many, it is the single most beautiful beach in all of Hawaiʻi. The catch? It's not as simple as just showing up.

Access to this Kohala Coast gem is controlled by the Mauna Kea Beach Hotel, and while the beach itself is public, parking is not. A limited number of daily beach passes are given to the public, making a visit here feel exclusive—and making a little bit of planning essential. This guide will walk you through everything you need to know to spend a perfect day at Kaunaʻoa.

What Makes Mauna Kea Beach So Special?

Kaunaʻoa consistently ranks among the top beaches in the world for good reason. The sand is soft and deep, sloping gently into the sea. This creates a calm, welcoming entry into the water, making it a fantastic swimming beach for families when conditions are calm (primarily in the summer months).

The bay is naturally protected by its northern and southern lava rock points, which keep the surf more subdued than at other nearby beaches. The water clarity is often exceptional, revealing a sandy bottom that glows a brilliant aquamarine under the sun.

The beach is also meticulously maintained, thanks to its association with the adjacent Mauna Kea Beach Hotel, a landmark of mid-century modern architecture established by Laurance S. Rockefeller in 1965. The hotel's presence ensures the facilities are clean and the environment pristine, without feeling overly commercialized from the public access point.

How to Visit: The Parking Pass System Explained

This is the most critical piece of information for any non-guest wanting to visit Kaunaʻoa Beach. Public access is managed via a limited number of free parking passes.

Here’s how it works:

Arrive at the Gate: Drive to the entrance of the Mauna Kea Beach Hotel on the Mauna Kea Beach Drive off Highway 19.
Speak to the Guard: Pull up to the guard shack and politely ask for a beach access pass.
Receive Your Pass: If passes are available, the guard will hand you a printed pass to place on your dashboard and direct you to the public parking area near the beach.
No Passes Left? If all 30-40 public passes have been given out, the guard will inform you that the lot is full. They cannot tell you when a spot will open up.

Tips for Success

Arrive Early: On a typical day, aim to arrive between 8:00 AM and 9:00 AM. On weekends, holidays, or during peak season (winter and summer), you should arrive even earlier, perhaps by 7:30 AM.
Try the Afternoon: If you're turned away in the morning, don't give up entirely. Some beachgoers leave after lunch. You can try your luck again around 1:00 PM or 2:00 PM, when passes may have been returned.
Be Polite: The guards are just doing their job. A friendly and respectful attitude goes a long way.
Have a Backup Plan: If you can't get in, don't let it ruin your day. The world-class Hāpuna Beach State Recreation Area is just a five-minute drive south and always has parking (for a fee).

Snorkeling at Kaunaʻoa Bay

While the sandy middle is perfect for swimming, the real underwater treasures are found along the rocky edges of the bay. The snorkeling here can be excellent, especially when the water is calm.

Southern End (Left Side): The rocky point to the left of the beach (as you face the ocean) is generally considered the best spot. It's more protected and features a healthy reef with good coral coverage and a variety of fish. Look for butterflyfish, triggerfish, tangs, and the occasional honu (green sea turtle) gliding by.
Northern End (Right Side): The area along the rocks on the right side is also great for snorkeling, though it can be more exposed to ocean currents and surge. The underwater topography is interesting, with lava tubes and ledges where critters like to hide.

Snorkeling Safety

Check Conditions: Always observe the water before you get in. If you see large waves or a strong current, it's not a safe day to snorkel.
Winter Swells: During the winter months (November-February), the North Shore can get significant surf. These waves wrap around into Kaunaʻoa Bay, creating powerful shorebreak and dangerous currents. Swimming and snorkeling are not advised during high surf events. Check the surf report and heed any posted warnings.
Use Reef-Safe Sunscreen: Protect your skin and the delicate coral reef by using mineral-based sunscreens (zinc oxide, titanium dioxide). The State of Hawaiʻi has banned the sale of sunscreens containing oxybenzone and octinoxate.

Beach Amenities and What to Bring

Public visitors have access to excellent facilities located near the public parking lot.

Available Amenities:

Public Parking (with a pass)
Restrooms
Freshwater Showers (for rinsing off)

What to Bring:

Snorkel Gear: Bring your own mask, snorkel, and fins. There are no rental stands for the public on the beach.
Beach Towels and Chairs: Find your spot on the sand and settle in.
Umbrella: There is very little natural shade on the beach. An umbrella is highly recommended for a long day.
Food and Water: While the Mauna Kea Beach Hotel has restaurants like the Hau Tree bar, they are for hotel patrons or can be pricey. It's best to pack your own lunch, snacks, and plenty of water.
Reef-Safe Sunscreen: The Hawaiian sun is intense. Reapply often.

Manta Ray Night Viewing

One of the most famous activities at Mauna Kea Beach happens after the sun goes down. The hotel shines a bright light into the water off a viewpoint called "Manta Point," which attracts microscopic plankton. This, in turn, attracts magnificent manta rays that feed on the plankton, gliding gracefully through the light beam.

While the best viewing is reserved for hotel guests or those on paid snorkeling tours, the public can sometimes catch a glimpse from the shoreline viewpoint. It's a magical sight and a unique feature of this legendary spot. For a guaranteed and immersive experience, you would need to book a spot on a manta ray night snorkel tour, many of which operate out of the Kohala Coast and Kailua-Kona.

If You Can't Get In: Nearby Alternatives

Don't despair if the guard shack sign says "LOT FULL." The Kohala Coast has a string of incredible beaches.

Hāpuna Beach: Located just south, this is another of the island's most acclaimed beaches. It's a much larger, wider beach with a state park infrastructure, meaning ample paid parking, lifeguards, and picnic facilities. It's a fantastic and reliable alternative.
Waialea Bay (Beach 69): A few miles south of Hāpuna, Waialea Bay offers a different vibe. With its gnarled kiawe trees providing lots of shade and rocky outcroppings dividing the beach into smaller coves, it's a local favorite and another great spot for snorkeling when calm.

Related Reading

A Guide to Hāpuna Beach State Recreation Area (/blog/hapuna-beach-guide)
The Best Snorkeling Spots on the Kohala Coast (/blog/kohala-coast-snorkeling)
Big Island's Best Beaches (/blog/big-island-best-beaches)

Frequently asked questions

Is Mauna Kea Beach public?

Yes, all beaches in Hawaiʻi are public up to the high water mark. However, access to Mauna Kea Beach is controlled by the Mauna Kea Beach Hotel, which provides a limited number of free public parking passes each day.

How much does it cost to go to Mauna Kea Beach?

There is no cost to visit the beach or to get a parking pass. The challenge is not cost, but availability, as only about 30-40 passes are available to the public at any given time.

What time should I arrive to get a parking pass for Mauna Kea Beach?

It's best to arrive early, typically before 9:00 AM on weekdays and potentially as early as 7:30 AM on weekends and holidays. Passes are given out on a first-come, first-served basis.

Can you walk to Mauna Kea Beach?

You can technically walk from Hāpuna Beach along a coastal trail, but it is a long, hot, and rugged walk over lava rock that takes over 30 minutes each way. It is not recommended for most visitors.

Is the snorkeling good at Mauna Kea Beach?

Yes, the snorkeling can be excellent, especially when the ocean is calm. The best areas are along the rocky points at the north and south ends of the bay, where you can see coral, a variety of fish, and sometimes turtles.

Are there restrooms and showers at Mauna Kea Beach?

Yes, public visitors have access to a dedicated facility near the public parking area that includes clean restrooms and outdoor freshwater showers for rinsing off sand and salt.

What's the best alternative if Mauna Kea Beach parking is full?

The best and closest alternative is Hāpuna Beach State Recreation Area, located just a five-minute drive south. It's a huge, beautiful white sand beach with ample paid parking and full facilities.