Best Things to Do on the Big Island 2026 — Volcanoes, Stargazing & Black Sand

The Big Island is bigger than all the other Hawaiian islands combined and feels like four different worlds welded together. Active volcano on one side, snow-capped Mauna Kea on the other, black sand beaches, coffee farms, and tropical jungle in between. Here's how to make sense of it.

Hawai'i Volcanoes National Park

Kilauea has been doing what volcanoes do — slowly remaking the island — for 30+ years straight. The eruption status changes; check the National Park Service site before you go. Even without active flow, drive Crater Rim Drive at sunset, walk through the Thurston Lava Tube, and stand on the rim of Halema'uma'u Crater. Stay for after-dark — the glow off the cloud deck is otherworldly when the volcano is going.

Mauna Kea — the world's best stargazing

13,803 feet, dry, and above 90% of the atmosphere's water vapor. The summit observatories are why astronomers come here. You can drive to the visitor center at 9,200 ft (sunset + free stargazing programs). The summit itself requires 4WD and an hour of acclimatization. Bring a winter jacket — yes, in Hawaii.

Beaches you won't see anywhere else

• Punalu'u Black Sand Beach. Volcanic sand, sea turtles napping. The classic.
• Papakōlea Green Sand Beach. Olivine-green sand from a cinder cone. 2.5-mile hike each way (or pay for a 4WD shuttle).
• Mauna Kea Beach (white sand). Resort-quality public access. Get there early — limited daily public passes.
• Hapuna Beach. Half-mile of soft white sand, the largest white-sand beach on the Big Island.

Pu'uhonua o Hōnaunau — the place of refuge

Pre-contact Hawaii had a tradition: if you broke kapu (sacred law), you could escape death by reaching this place of refuge. The site has been preserved with reconstructed temples, royal grounds, and a coral-and-lava wall that's centuries old. Snorkel "Two Step" right outside the park — turtles, reef fish, and the cleanest water you'll see on the island.

Kona Coffee Belt

The volcanic soil + elevation between Holualoa and Honaunau produces some of the world's best coffee. Tour a working farm — Greenwell Farms, Hula Daddy, Kona Coffee & Tea — most do free or low-cost tours, all end with samples. Best season: October–March (harvest).

The little gems

• Akaka Falls — easy 0.4-mile loop, 442-ft waterfall
• Waipi'o Valley overlook — sacred valley of the kings (the road down requires permission/4WD)
• Hilo Farmers Market (Wed + Sat)
• Manta ray night snorkel off Keauhou — bucket-list worthy

How to plan it

The island is two-faced: Kona side (west) is dry, sunny, resort-y. Hilo side (east) is wet, lush, local. To see both you'll drive. Either: rent a car and stay 5+ nights, OR base in Kona and do day trips. The 95-mile saddle road across the middle puts Mauna Kea, the volcano, and most beaches within 90 minutes.

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