Sea Turtles on Black Sand Beaches, Big Island: Where and How

The title says “play with” sea turtles. To be direct: you cannot legally play with sea turtles in Hawaii. Green sea turtles (honu) are protected under the Endangered Species Act and the Marine Turtle Protection Act. Federal law requires you to stay at least 6 feet away. Approaching, touching, or riding sea turtles carries fines up to $100,000 and possible jail time. The turtles are also genuinely wild animals capable of moving faster in water than most humans can swim, and a startled 300-pound reptile is not something you want to provoke.

What you can do — and this is the worthwhile version of this trip — is watch them in genuinely close proximity at specific beaches where they haul out to rest. This is one of the more unusual wildlife encounters available to visitors to Hawaii.

Punalu’u Black Sand Beach

Punalu’u is the most accessible black sand beach on the Big Island’s south coast, about 55 miles south of Hilo on Route 11. The black sand comes from basaltic lava that cooled rapidly in the ocean and was then ground by wave action — it’s smooth, not sharp, and the beach is genuine and naturally maintained (it loses and regains sand with lava flows and storms).

Green sea turtles rest here regularly, particularly in the morning. They’re difficult to miss — the black sand makes their dark shells conspicuous, and they don’t react to human presence unless approached too closely. Some days there will be 15 or 20 on the beach; other days none. Hawksbill turtles occasionally appear; they’re rarer and smaller.

There are also freshwater springs entering the ocean at Punalu’u, which the turtles use to hydrate. Snorkelling directly over the underwater springs (you can feel the freshwater layer) with turtles swimming past is the experience most people describe as the highlight.

Getting There

From Hilo: take Route 11 south through Volcano and Ka’u district. Punalu’u is 55 miles, around 75 minutes. From Kona: 75 miles, around 90 minutes. The beach has a parking area, restrooms, and a small café. Do not drive down to the beach itself — the road ends at the car park.

Papakolea (Green Sand Beach)

20 miles further south at South Point, Papakolea is one of four green sand beaches in the world. The green colour comes from olivine crystals eroded from the cinder cone surrounding the bay. The beach sits inside a collapsed volcanic crater accessible by a 2.5-mile walk across rough terrain from the South Point road.

You can also pay local trucks parked at the road to drive you down (each way, $10-15 cash per person). The drive is on private ranch land by informal arrangement; it’s not an official tour.

Sea turtles are common here too — the enclosed bay protects them from surf and the beach is steep-sloped, which they prefer for resting. Bring water; there’s nothing for sale at the beach.

Hawaii Volcanoes National Park

You’re already in this part of the Big Island, so spending time in the national park is straightforward. Kilauea has been continuously erupting since 1983 (with intermittent pauses). The summit caldera and Halemaumau Crater are the main features; whether there’s active lava to see depends entirely on current activity. Check the USGS Hawaiian Volcano Observatory website before visiting for eruption status. Entry to the park is $30/vehicle, valid for seven days.

The Chain of Craters Road descends 3,700 feet from the summit to the coast, passing lava fields from multiple eruption periods. Drive it for the geological variety and the coastal views.

Where to Stay

Volcano Village (just outside the national park’s main entrance) has several guesthouses and B&Bs in rainforest setting at reasonable prices ($100-180/night). Kilauea Lodge is the established option. For Punalu’u beach access: Pahala is the nearest town with accommodation, 5 miles from the beach.