Black Sand Beaches on the Big Island: Which Ones and How to Get There
Only on the Big Island
Black sand beaches are one of those Hawaii experiences that photographs don't fully prepare you for. The volcanic origin of the Big Island means that in certain places, the sand is entirely composed of tiny fragments of black basalt and olivine — the ocean has spent decades grinding ancient lava flows into a shoreline unlike anything on the U.S. mainland or on the other Hawaiian islands. The color is genuinely striking: deep black sand, clear blue water, green sea turtles hauled out in the sun.
There are several black sand beaches on the Big Island, and they are not all equally accessible or equally worth the effort. Here is where to find the best ones.
Punaluu Black Sand Beach — The Accessible Classic
Punaluu Black Sand Beach on the south side of the island (between Hawaii Volcanoes National Park and Naalehu on Highway 11) is the most famous and most accessible black sand beach in Hawaii. It's a well-maintained state park with parking, restrooms, and a picnic area — infrastructure that lets you simply arrive and experience the beach rather than hike to it.
The beach is legitimately beautiful: sweeping black sand, coconut palms leaning over the water, and — the main draw — green sea turtles hauling out on the sand regularly throughout the day. The turtles here are a federal-law-protected wild population; they come to bask on the warm sand and are entirely uninterested in the humans watching them from the required 10-foot distance. Seeing a large adult green turtle resting on black sand against the blue ocean is the definitive Big Island image.
The water at Punaluu has a current and is not recommended for swimming. The beach experience here is walking, photographing the turtles, and absorbing the landscape.
Kehena Black Sand Beach — The Hike-In Alternative
Kehena Beach on the Puna coast (southern Big Island, reached via Highway 137) is a younger black sand beach — formed much more recently than Punaluu — that requires a moderately steep hike down a lava cliff to reach. The beach is clothing-optional (this is well-established local practice) and draws a more adventurous and local crowd than Punaluu.
When dolphins are in the bay — which is not guaranteed but happens regularly — Kehena becomes something extraordinary. Spinner dolphins sometimes swim close to shore here, visible from the beach. The surf can be significant; check conditions before entering the water. The hike down is about 10 minutes on a defined trail; the hike back up is steeper than it looks going down.
Kalapana and the New Land
The Kalapana area on the south Puna coast is where Kilauea's 1990 lava flows buried the original town of Kalapana and created new land. Some of Hawaii's newest black sand has formed here as recent lava flows entered the ocean. The area is accessible via Highway 130 and the Chain of Craters Road extension.
This is a more raw and geologically active landscape than Punaluu — the new black sand beaches here exist because of ongoing volcanic processes. The combination of lava field, ocean entries, and new black sand formations is unique to this stretch of coastline. Check with Hawaii Volcanoes National Park and local tour operators for current access conditions, which change based on volcanic activity.
What to Know Before You Go
- Swimming conditions: Black sand beaches often have strong currents and shore break. Punaluu is not recommended for swimming. Kehena requires local knowledge. Always check before entering.
- Sea turtle etiquette: Federal law requires a 10-foot distance. Never block a turtle's path to the water. Never touch them. Watch quietly and let them do their thing.
- Taking sand: It is illegal to remove sand, rocks, or lava from Hawaii state beaches and Hawaii Volcanoes National Park. The lava rock curse is a cliche, but the law is real.
- Punaluu from Hawaii Volcanoes National Park: If you're visiting the park, Punaluu is an easy add — about 30-40 minutes south of the park entrance on Highway 11.
- Timing: Turtles at Punaluu are more reliably present in the morning and mid-afternoon. Midday tends to have the most visitors.
Green Sand Beach — The Bonus
While not a black sand beach, Papakolea Green Sand Beach near South Point (Ka Lae) on the southernmost tip of the Big Island is in the same category of geological oddity. The green color comes from olivine crystals eroded from the surrounding cinder cone. Access requires a 2.5-mile walk (or rough truck shuttle along a lava road) from the parking area. The beach itself is small and the access is arduous, but standing on green sand above the pounding surf at the southernmost point in the United States is a genuine once-in-a-lifetime experience.
Why Black Sand
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