Chua Hang on Ly Son Island: A Traveler's Guide to Quang Ngai's Cave Pagoda

Ly Son is a small volcanic island off the coast of Quang Ngai province, and "Chua Hang" — a Buddhist pagoda tucked inside a natural lava cave on the island's western shore — is one of the most compelling reasons to make the trip out there.

What it is and how it got here

Chua Hang (literally "Cave Pagoda") sits at the base of Thoi Loi, the extinct volcano that formed Ly Son's Big Island. The pagoda occupies a natural grotto carved into the volcanic rock by centuries of waves. Buddhist monks established a place of worship here during the late 17th century under the Nguyen Lords, making it one of the older religious sites in the Quang Ngai coastline. The cave itself is maybe 25 meters deep, cool and dim even at midday, with a modest altar, incense, and a few weathered statues arranged on the stone floor. It's not grand — it's atmospheric.

Outside the cave entrance, a courtyard of banyan trees frames the ocean. The whole site has a quiet, salt-air stillness that's hard to replicate anywhere on the mainland.

Why travelers go

People come for the combination of raw volcanic geology and a living religious site. You're standing inside a lava tube that doubles as a pagoda, with the East Sea visible through the cave mouth. It's a genuinely unusual place — not because someone slapped a marketing label on it, but because the geology and human history overlap in a way you won't find at a typical temple. Ly Son itself is still relatively low on the international tourist circuit, so on weekdays you might have the cave nearly to yourself.

For photographers, the light inside the grotto shifts throughout the day. Morning is best, when sunlight angles through the entrance and hits the altar smoke.

Best time to visit

The window is March through September. Seas are calmest from April to July, which matters because you're taking a speedboat to get here and crossings get cancelled when weather turns. June through August is peak domestic tourism season — Ly Son gets busy with Vietnamese families, especially around weekends. If you want fewer crowds, aim for a weekday in April or May. October through February brings northeast monsoon winds; boats may not run for days at a stretch, and the island feels pretty shut down.

Temperatures hover around 28–33°C year-round. Bring sunscreen regardless of the month.

How to get there from Da Nang

Da Nang is the nearest major hub with an airport.

1. Da Nang (다낭 / 岘港 / ダナン) to Sa Ky Port, Quang Ngai: Drive or take a bus south about 130 km. A private car runs around 1,200,000–1,500,000 VND one way; a local bus from Da Nang's central bus station costs roughly 100,000–120,000 VND and takes about 3 hours. You can also fly or take a train to Quang Ngai city first, then grab a taxi to Sa Ky (about 20 km, around 200,000 VND).
2. Sa Ky Port to Ly Son Island: Speedboats depart multiple times daily, usually starting around 7:00 AM. The ride takes about 30 minutes. Tickets are approximately 170,000 VND one way. Buy at the port — no need to pre-book except during Tet or major holidays.
3. On Ly Son: The island is small enough for a rented motorbike (150,000–200,000 VND/day). Chua Hang is on the western coast of Big Island, roughly 3 km from the main port area. You can't miss the signposted turn-off.

Photo by HONG SON on Pexels

What to do at and around Chua Hang

Walk the cave and pagoda

The cave itself takes maybe 20 minutes to explore. Shoes off at the altar area. There's no entry fee, but a small donation at the altar is customary — 10,000–20,000 VND is fine. Light an incense stick if you're comfortable doing so; bundles are usually available near the entrance.

Climb Thoi Loi volcano

From Chua Hang, the road up to the Thoi Loi crater rim is a short motorbike ride or a 40-minute walk. The summit sits about 170 meters above sea level. Up top there's a freshwater lake inside the old crater and wide views across both Ly Son islands. Early morning or late afternoon light is best.

Explore the garlic fields

Ly Son is famous across Vietnam for its garlic — white sandy fields divided by low stone walls stretch across the island's flat interior. The harvest season runs roughly December through March. Even outside harvest, the fields and their distinctive white-sand soil are worth a slow ride through. You'll smell the garlic before you see it.

Visit To Vo Gate

About 1 km east of Chua Hang along the coast, To Vo Gate is a natural basalt arch formed by volcanic activity. It's a five-minute detour and worth the stop, especially at low tide when you can walk out closer to the formation.

Snorkel at Be Island

Ly Son's smaller island (Dao Be), about 10 minutes by boat from the main island, has some of the clearest water in central Vietnam. Local boats shuttle tourists over for 100,000–150,000 VND round trip. Coral visibility is best from May through July.

Where to eat nearby

Ly Son's signature dish is "goi tom hum" — a raw lobster salad with garlic, herbs, and lime. It sounds touristy, but it's legitimately good when the lobster is fresh. Expect to pay 400,000–600,000 VND per plate depending on the catch. Most seafood restaurants near the port serve it.

For something cheaper, look for "com tam" with grilled fish at the small family-run places along the main road — 40,000–60,000 VND for a filling plate. Ly Son garlic features heavily in almost everything; the fried garlic flakes here are a different class from what you get on the mainland.

Where to stay

Ly Son has no resorts. Accommodation is mostly guesthouses and small homestays concentrated near the port.

• Budget: Basic fan rooms for 200,000–350,000 VND/night. Clean enough, cold water, sometimes Wi-Fi.
• Mid-range: A few newer mini-hotels with air conditioning and hot water run 500,000–800,000 VND/night. Ly Son Pearl and a handful of similar places fall into this range.
• Homestays: Some families rent rooms for 150,000–250,000 VND and include a home-cooked dinner for an extra 80,000–100,000 VND.

Book a night or two — day-tripping from the mainland is possible but rushed, and you'd miss the island at its best (early morning and late afternoon, when the tour groups are gone).

Photo by AN Nhol on Pexels

Practical tips locals would tell you

• Bring cash. ATMs on Ly Son exist but are unreliable. Load up in Quang Ngai city or Da Nang before you go.
• Dress modestly at the pagoda. Shoulders and knees covered. It's a functioning place of worship, not just a photo spot.
• Fuel up your motorbike early. There are only a couple of petrol stations on the island and they sometimes run short.
• Wear reef-safe sunscreen if you plan to snorkel at Be Island. The coral is already under pressure.

Common mistakes to avoid

• Trying to do Ly Son as a day trip from Da Nang. The travel time each way eats most of your day. One overnight minimum.
• Skipping Be Island. Many visitors only see Big Island. The boat ride to Be Island is cheap and the snorkeling makes the trip.
• Arriving without checking boat schedules. Speedboat times shift seasonally. Confirm the day before at your guesthouse or call Sa Ky port directly.
• Wearing flip-flops inside the cave. The rocks are slippery. Sport sandals or shoes with grip are better.

Practical notes

Chua Hang works best as part of a full one- or two-night stay on Ly Son rather than a standalone destination. Pair it with Hoi An or Da Nang on a longer central Vietnam itinerary. The island is still rough around the edges — that's the appeal.