Big Island Black Sand Beaches: Where to Find Them and Why They’re Amazing

The green sea turtles at Punalu’u don’t seem to mind the crowds. They haul themselves onto the jet-black sand by the rock wall to the right of the lifeguard shack, and within minutes a small orange cone appears beside them — a reminder from the lifeguards to keep your distance. It’s a scene that plays out daily on what’s arguably the Big Island’s most famous stretch of volcanic sand.

The Big Island’s black sand beaches are as varied as the volcanic forces that created them. Some are easy roadside stops with full facilities; others demand a steep hike or a 4WD permit. This guide covers the main black sand beaches worth your time, what makes each one unique, and the practical details you need to plan your visit — whether you’re based in Kona, Hilo, or somewhere in between.

Below is a quick snapshot of the five main black sand beaches covered in this guide. Use it to figure out which ones fit your itinerary before diving into the details.

Punalu’u Black Sand Beach

Punalu’u is the black sand beach everyone pictures when they think of the Big Island — a sweeping arc of jet-black sand lined with swaying palm trees, easily reached from Highway 11. It’s the most famous black sand beach on the island for a reason: the combination of easy access, full facilities, and near-guaranteed sea turtle sightings makes it a must-stop for nearly any itinerary.

The turtles are the main draw, and for good reason. Both endangered hawksbill and green sea turtles use this beach to sunbathe and regulate their body temperature. The most consistent spot to see them is the short rock wall to the right of the lifeguard shack — lifeguards place small orange cones around resting turtles so you know where they are. Federal and state guidelines say to stay at least 10 feet away, and it’s illegal to touch, ride, feed, or harass them. If you’re hoping to snorkel with turtles, the water can be murky from waves, but Punalu’u still offers some of the best Big Island snorkeling for turtle frequency. Bring your own gear — there’s no rental on site.

Beyond the wildlife, Punalu’u has a surprising amount of history tucked into its park. You’ll find Hokuloa Church, a small open-air lava-rock chapel built in 1957 with a cemetery containing graves dating to the early 1900s — it’s the resting place of Henry Opukahaia (1792–1818), one of the first Native Hawaiians to become Christian. There’s also Kane’ele’ele Heiau, the largest heiau on the Big Island at 700 x 500 feet and roughly 800 years old. And if you’re up for a bit of eerie exploration, the abandoned Sea Mountain Resort — a 1973 property destroyed by a 1975 tsunami — still stands as a ghostly shell. Keep an eye out for nene, the Hawaiian goose, on the lawn near the old golf course as you drive in.

Isaac Hale Beach Park & Pohoiki Hot Springs

About 40 miles south of Hilo at the end of Highway 137 — known as the Red Road — you’ll find Isaac Hale Beach Park. This is one of the newest black sand beaches on the island, created by the 2018 Kīlauea eruption that reshaped the Puna coastline. The sand here is still young: it’s rocky and not soft, covering about 2 acres of shoreline, but what makes this place special isn’t the sand itself — it’s the hot springs.

The 2018 lava wall forms a natural barrier along the edge of the park, and you can see spots where it blockaded the road. Before the eruption, this was a boat launch for tours to watch lava flow into the ocean — now the launch is landlocked by new black sand. The beach itself isn’t great for sunbathing or swimming, but it’s fascinating to witness the landscape still in flux. Surfers find the waves here challenging, and the water is better suited to them than casual swimmers.

Pohoiki Hot Springs is the real reason to come. The main pool, set back among the foliage, is a collapsed lava tube with water about 4 feet deep and temperatures just over 100°F — it’s essentially a natural hot tub. The other four pools are shallower, some wider than others, and they’re all heated by underground lava. Because Isaac Hale is off the beaten tourist track, you’ll often have the pools mostly to yourself, especially on weekdays.

Kahena Black Sand Beach

About 50 minutes south of Hilo, in the Puna district, Kahena Beach — often spelled Kehena — offers the softest black sand on the island and a completely different vibe. It’s also a well-known clothing-optional beach, so if nudity makes your group uncomfortable, this isn’t the spot for you. That said, most visitors wear regular swimwear, and the beach itself is stunning: dramatic black sand against a protective cliff with a row of palm trees providing midday shade.

Parking is in a small lot on top of the cliff, with some street parking available. The hike down is short but steep, with some rock scrambling — hiking sandals or shoes with a sturdy sole are strongly recommended. Once you’re on the sand, it’s a lovely place to sunbathe. The sand can get hot in direct morning sun, so bring a towel or mat. There’s a drum circle every Sunday that draws a lively, hippie-vibe crowd. Just don’t plan on swimming: the shore break is gnarly and the current is strong, making the water dangerous even for strong swimmers.

Pololu Valley Beach

At the northern end of the Big Island, Highway 270 dead-ends at Pololu Valley Lookout, and the view alone is worth the drive. But if you’re willing to work for your black sand beach, the Pololu Trail drops you down to a remote shoreline that most visitors never see. The beach here isn’t classic black sand — it’s more of an ashy gray pebble — but the setting is spectacular.

The trail is 0.6 miles one-way with steep switchbacks and loose, slippery rocks. Most hikers in decent shape can manage it, but the climb back up is the harder half — bring plenty of water. The valley floor is covered with an ironwood tree forest (planted in the 1950s for erosion control), a freshwater stream, and the black sand beach. The ironwoods tower above you, creating an almost otherworldly atmosphere. Volunteers at the trailhead will warn you about the dangerous surf — people have been rescued and drowned here — so heed their advice and stay out of the water beyond a cautious wade.

Waipi’o Valley Beach

Waipi’o Valley — the “Valley of the Kings” — is one of the most iconic landscapes on the Big Island, with soft black sand sandwiched between two impossibly green cliffs that jut 2,500 feet into the air. It’s also currently the most difficult black sand beach to visit. The road into the valley was deemed too dangerous in 2022 due to erosion and rockfall risks, and access is now restricted to Big Island residents, visitors with county-permitted tour companies (the Waipi’o Valley Shuttle), and Native Hawaiians carrying out traditions.

If you do get permission to enter, you’ll need a covered 4WD vehicle — no ATVs allowed. The valley looks like Jurassic Park: wild horses roam the beach, a waterfall cascades down the cliffside in heavy rain, and the surf is generally too strong for safe swimming. The best move is to soak up the sun and the incredible views. For most visitors, the Waipi’o Valley Overlook is the practical option — it’s still accessible and offers those postcard views down into the valley.

Planning Your Black Sand Beach Tour

Getting the most out of the Big Island’s black sand beaches comes down to timing, gear, and knowing what each beach demands from you. Here’s what to keep in mind.

Best Time to Visit

The dry season — roughly April through October — brings the most reliable sun and calmer seas, which is ideal for swimming and snorkeling at Punalu’u. The shoulder months of March and November can offer pleasant weather with fewer crowds. Always check the local forecast before heading out, as conditions can shift quickly, especially on the windward side of the island.

Getting Around

A car is essential. The black sand beaches are spread across the island — from the southern shore (Punalu’u) to the far north (Pololu) to the remote Puna district (Isaac Hale and Kahena). Highway 11 and Highway 19/270 will be your main routes. The drive from Kona to Pololu takes about 2 hours, so plan your day accordingly. If you’re based in Hilo, you’re closer to most of the beaches in this guide.

What to Bring

Pack water, reef-safe sunscreen, a hat, and sturdy shoes if you’re planning any hiking (Pololu, Kahena, or the Papakōlea green sand beach). For Punalu’u, bring your own snorkeling gear — there’s no rental on site. Water shoes are a good idea for any beach with lava rock, especially Richardson Ocean Park if you add it to your list. And never leave valuables visible in your car, particularly at Kahena.

Turtle Etiquette

Hawaiian sea turtles are federally protected. Stay at least 10 feet away from them both in and out of the water, and never touch, ride, feed, or harass them. At Punalu’u, lifeguards place orange cones around resting turtles to help you spot them — use those as your boundary markers.

Before You Go — Big Island Black Sand Beaches

Can I camp on any of these beaches?

No — you cannot camp directly on Punalu’u, Papakōlea, or any of the black sand beaches covered here. Nearby campgrounds, including Hawai’i Volcanoes National Park, offer sites with access to trails and scenic views. Always verify permit requirements before planning an overnight stay.

Are guided tours available?

Yes. Local tour operators offer trips to Punalu’u and Papakōlea that include transport, guided hikes, and background on the geological and cultural significance of each site. Tours are a good option if you want expert context or prefer not to navigate the route yourself. The cultural tours on Viator often cover multiple sites in a single day.

What’s the biggest safety concern at these beaches?

Rip currents and strong shore breaks. Pololu and Kahena have claimed lives — volunteers at Pololu’s trailhead warn visitors regularly. Never swim at Kahena, and only wade at Pololu if the surf is completely flat. At Punalu’u, the water is generally calmer but cold from the freshwater spring.

Which beach should I skip if I’m short on time?

If you only have time for one black sand beach, make it Punalu’u — it delivers the full experience with the least effort. If you’re based in Hilo and want something quieter, Isaac Hale Beach Park offers the novelty of hot springs alongside the newest black sand on the island.

Closing

Each of these beaches is a direct expression of the volcanic forces that built this island — from the 800-year-old heiau at Punalu’u to the 2018 lava that created Isaac Hale’s shoreline. You don’t need to visit all five to understand why the Big Island’s black sand beaches are special. One good afternoon at the right beach for your crew — watching turtles haul out onto jet-black sand, or standing at the edge of Pololu Valley — will tell you everything you need to know. For more on planning your Hawaii itinerary, check out our breakdown of the best Hawaiian island for snorkeling.

References

This Week Hawaii. “Top Big Island Beaches: Your Guide to Black Sand and Green Sand Shores.” This Week Hawaii, 2025. ↗

Uprooted Traveler. “Black Sand Beaches Near Hilo, Big Island.” Uprooted Traveler, 2025. ↗

If you’re planning a longer trip around the Big Island, our guide to a two-week vegetarian trip on a moderate budget pairs well with a black sand beach tour. For stargazers, the Mauna Kea stargazing guide offers a completely different side of the island’s volcanic landscape. And if you’re island-hopping, our Kaua’i Nā Pali Coast kayaking guide is a great companion read.