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Fiji🇫🇯 | landmarksSawa-i-Lau CavesBoat-only island, open-roof pool, underwater swim-through, wall carvings | things to do and best time to go

Explore Naihehe CavesExplore Tavuni Hill Fort

Backpacking in Sawa-i-Lau Caves
🏆 Top pickunique site ranked #1
By Johan Kruseman 🇳🇱 | Updated October 15, 2026

Sawa-i-Lau is a limestone island with a cave you enter by climbing down concrete steps into a chamber, where turquoise water sits under an open roof and a short underwater passage leads to an inner cavern. It lies in the Yasawa Islands, northwest of Nadi in Fiji, and you reach it by boat only. The wow is real, but so is the schedule. Day cruises and resort boats arrive around the same late-morning window, so the pool gets crowded and the photos get noisy. Go with a resort boat that leaves early or after the big cruise has left, and you may have the water nearly to yourselves. The main chamber is the part worth your time. The swim-through is quick and only a little scary, and a guide makes it easy. Skip any add-on that promises more than a quick look at the outside of the island. Bring a waterproof phone pouch, because the best light is a narrow beam falling onto water the color of sea glass.

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✨ Why go?
Ranked #1 unique site in FijiThe unique appeal for travelers

Sawa-i-Lau is one of the few places in the Yasawas where the draw is underground rather than on a beach, and that alone makes it worth the boat. The reason to go is the swim through the underwater passage into the dark inner chamber. It takes a few strokes, a guide, and a little nerve, and it gives first-timers a small, real jolt of adventure they can handle. Nothing else on the island chain is quite like it, and it is the sort of thing you will still be describing months later.

It also fits an island-hopping route easily. The cave sits close to Nanuya Lailai and the Blue Lagoon beaches, so most travelers combine it with a stay at a nearby resort or hostel and add it as a half-day boat outing. That makes the cost easier to justify, because you are already in the area for the snorkeling and … read more 👉
Sawa-i-Lau is one of the few places in the Yasawas where the draw is underground rather than on a beach, and that alone makes it worth the boat. The reason to go is the swim through the underwater passage into the dark inner chamber. It takes a few strokes, a guide, and a little nerve, and it gives first-timers a small, real jolt of adventure they can handle. Nothing else on the island chain is quite like it, and it is the sort of thing you will still be describing months later.

It also fits an island-hopping route easily. The cave sits close to Nanuya Lailai and the Blue Lagoon beaches, so most travelers combine it with a stay at a nearby resort or hostel and add it as a half-day boat outing. That makes the cost easier to justify, because you are already in the area for the snorkeling and beach time. If you are choosing between a long day cruise with a short cave stop and a stay on a neighboring island with a dedicated trip, the second gives you more time inside.

💡 HighlightsPlaces and moments you shouldn't skip

  1. The Main Cave Chamber: The open-roofed cavern holds a deep, clear pool lit by shafts of daylight from above. Its limestone walls rise steeply around you, and the cool water is a relief after the sun and the boat ride.
  2. The Underwater Swim-Through: A short submerged passage leads into the inner chamber. It is a few strokes with a guide beside you, and many travelers find it easier than they feared.
  3. The Inner Chamber: This darker cavern is lit mainly by guide torches. Its echo and stillness make it the most atmospheric corner of the whole site.
  4. The Wall Carvings: Faint markings on the limestone give the cave a sense of age and local significance. They are easy to overlook while you are busy swimming, so slow down and look at the walls.
  5. The Ledge Jump: Guides will point out a ledge above the pool
… read more 👉
  1. The Main Cave Chamber: The open-roofed cavern holds a deep, clear pool lit by shafts of daylight from above. Its limestone walls rise steeply around you, and the cool water is a relief after the sun and the boat ride.
  2. The Underwater Swim-Through: A short submerged passage leads into the inner chamber. It is a few strokes with a guide beside you, and many travelers find it easier than they feared.
  3. The Inner Chamber: This darker cavern is lit mainly by guide torches. Its echo and stillness make it the most atmospheric corner of the whole site.
  4. The Wall Carvings: Faint markings on the limestone give the cave a sense of age and local significance. They are easy to overlook while you are busy swimming, so slow down and look at the walls.
  5. The Ledge Jump: Guides will point out a ledge above the pool for those who want to jump. It is a short drop into deep water and one of the cave’s most playful moments.
  6. The Steps Down to the Cave: The descent from the island’s outer rim is part of the experience, moving from bright jungle edge to cool, echoing rock in moments. The steps are wet and can be slippery, so wear shoes you do not mind getting soaked.
Allow one to two hours for everything together, including the swim and the time spent getting in and out of the boat.
Spotted a mistake or missing something? Contact us.

Things to do around Sawa-i-Lau Caves

Blue Lagoon Cruises - Escape to Paradise Cruise - 7 Nights

Blue Lagoon Cruises - Escape to Paradise Cruise - 7 Nights

4.6(146) 192h
From €3,589
per personViator
Blue Lagoon Cruises - Wanderer Cruise - 4 Night

Blue Lagoon Cruises - Wanderer Cruise - 4 Night

4.6(46) 120h
From €2,077
per personViator

Ratings based on Tripadvisor reviews. When you book through this link, you support our work at no extra cost to you.

🌤️ When to go?Choosing the right time of year

May to October is the window to plan around, with dry, sunny days and calm seas for the boat run out to Yasawa island.
  • Dry Season (May to October): Highs of 26 to 29°C (79 to 84°F), lows of 18 to 21°C (64 to 70°F), and little rain. Sunrise is around 6:30 am and sunset around 5:30 to 6 pm. Seas are calmer, though the trade winds can make the crossing from the mainland choppy. Resorts and cruise boats fill up, especially July to September.
  • Wet Season (November to April): Highs of 29 to 32°C (84 to 90°F), humid, with heavy downpours and a cyclone risk from roughly December to March. Daylight stretches to about 7 pm. Boat trips to the cave can be canceled when seas are rough. Rates drop, and many travelers find the lagoon quieter.
  • School Holidays (July and December): Fijian and Australian holidays
… read more 👉
May to October is the window to plan around, with dry, sunny days and calm seas for the boat run out to Yasawa island.
  • Dry Season (May to October): Highs of 26 to 29°C (79 to 84°F), lows of 18 to 21°C (64 to 70°F), and little rain. Sunrise is around 6:30 am and sunset around 5:30 to 6 pm. Seas are calmer, though the trade winds can make the crossing from the mainland choppy. Resorts and cruise boats fill up, especially July to September.
  • Wet Season (November to April): Highs of 29 to 32°C (84 to 90°F), humid, with heavy downpours and a cyclone risk from roughly December to March. Daylight stretches to about 7 pm. Boat trips to the cave can be canceled when seas are rough. Rates drop, and many travelers find the lagoon quieter.
  • School Holidays (July and December): Fijian and Australian holidays push up demand on Yasawa boats and beds.
Book a morning visit, since cave trips run before the midday tour groups pile in.


source: climatestotravel.comJANJanuary: fair for travelingFEBFebruary: fair for travelingMARMarch: fair for travelingAPRApril: fair for travelingMAYMay: highly recommended for travelingJUNJune: highly recommended for travelingJULJuly: good for travelingAUGAugust: good for travelingSEPSeptember: highly recommended for travelingOCTOctober: highly recommended for travelingNOVNovember: fair for travelingDECDecember: fair for traveling
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🛏️ Where to stay?Best areas and accommodation options

Stay on the Yasawa islands themselves, ideally on Nacula or Naviti, because Sawa-i-Lau lies in the northern-central Yasawas and is reached only by boat from a nearby island.
The most social option is the cluster of beach-front dorm and bure-style budget resorts on Nacula and the neighboring Tavewa area. Evenings revolve around communal dinners, kava sessions and guitar-and-song nights, and solo travelers meet people quickly. Many of these places organize the cave trip as a half-day excursion with a local guide, which keeps costs down by splitting the boat fare.
Naviti and nearby islands suit backpackers … read more 👉
Stay on the Yasawa islands themselves, ideally on Nacula or Naviti, because Sawa-i-Lau lies in the northern-central Yasawas and is reached only by boat from a nearby island.
The most social option is the cluster of beach-front dorm and bure-style budget resorts on Nacula and the neighboring Tavewa area. Evenings revolve around communal dinners, kava sessions and guitar-and-song nights, and solo travelers meet people quickly. Many of these places organize the cave trip as a half-day excursion with a local guide, which keeps costs down by splitting the boat fare.
Naviti and nearby islands suit backpackers who want snorkeling right off the beach. Rooms run from dorm beds to simple bures, and meal packages are usually compulsory because there are no restaurants or shops nearby. Bring cash, as card machines and ATMs are scarce outside the resorts.
Base yourself on the Yasawas for at least two or three nights, since the Yasawa Flyer ferry from Port Denarau runs once a day and the cave trip depends on tides and sea conditions. Staying on the mainland at Nadi or Denarau is safe and convenient for arrivals, but it makes the cave a long day or impossible. Most beach camps are village-run or family-run, and respecting dress codes and shoulders-covered etiquette in villages is expected.
Best hostels in Fiji


Best quality hotels in Fiji

👛 Costs (as of 15 October 2026)What things cost and how to budget

A day around Sawa-i-Lau Caves runs about US$135 to 250 per person for a backpacker, because the island sits deep in the Yasawa group and almost everyone arrives on a resort-based or hostel-based boat pass. Prices below are per person, paid in Fijian dollars, and shown in US dollars.
CategoryBudget RangeLocal Reality
Cave entry and guideUS$10 to 20Visitors usually pay a village or resort fee that includes a guide and a short boat transfer. Check the price before you board.
Boat transfer to the islandUS$25 to 60Most people go on a half-day trip from nearby Yasawa resorts and hostels. Cost depends on the departure point and group size.
Yasawa Flyer ferry share (per day, pass averaged)US$25 to 40Multi-day hop-on passes are the usual way to reach the chain from Denarau, and the daily cost falls as
… read more 👉
A day around Sawa-i-Lau Caves runs about US$135 to 250 per person for a backpacker, because the island sits deep in the Yasawa group and almost everyone arrives on a resort-based or hostel-based boat pass. Prices below are per person, paid in Fijian dollars, and shown in US dollars.
CategoryBudget RangeLocal Reality
Cave entry and guideUS$10 to 20Visitors usually pay a village or resort fee that includes a guide and a short boat transfer. Check the price before you board.
Boat transfer to the islandUS$25 to 60Most people go on a half-day trip from nearby Yasawa resorts and hostels. Cost depends on the departure point and group size.
Yasawa Flyer ferry share (per day, pass averaged)US$25 to 40Multi-day hop-on passes are the usual way to reach the chain from Denarau, and the daily cost falls as the pass lengthens.
Accommodation, dorm or basic bure (high season)US$60 to 90Rates in the Yasawas typically include a bed and three meals. Dorm beds are the cheapest option.
Food and drinksUS$10 to 25Meals are bundled with most stays. Budget extra for bottled water, snacks and beer, all marked up because supplies come by boat.
Snorkel gear and extrasUS$5 to 15Bring your own mask if you can. Rental is available at some resorts, and a waterproof phone pouch is useful for the swim.
Total Daily BudgetUS$135 to 250Roughly US$175 for a typical day in high season, with a dorm bed, meals, a boat trip and cave entry.
Carry cash in small notes, since there are few ATMs and card machines in the Yasawas. Prices are lowest in the drier shoulder months outside peak school holidays.
⚠️ Prices can change and everyone travels differently, so take this as a rough guide. Hope it helps you plan your adventure!

FAQTraveler FAQ

Sawa-i-Lau is a limestone cave system on a small island in the Yasawa group of western Fiji, with a large chamber open to the sky and a second, darker chamber reached by swimming through a submerged passage. The water inside is a vivid blue and sits in the cave itself, and local guides lead swimmers through. Scenes from the 1980 film The Blue Lagoon were shot here, and the entry fee is roughly FJ$25 to 40.
Plan on a half-day, roughly 2 to 4 hours, for the cave visit itself, including the boat ride from a neighboring island and time to swim and explore both chambers. Most travelers go as an excursion from a Yasawa resort, so base yourself in the islands for 2 to 3 nights. The main cave takes about 30 to 60 minutes to see properly.
Take the Yasawa Flyer catamaran from Port Denarau near Nadi to the Yasawa islands, a trip of roughly 3.5 to 5 hours depending on the stop. From there, a resort boat takes you to Sawa-i-Lau in about 20 to 40 minutes, usually as a booked excursion. Nadi International Airport is about 30 minutes from the Denarau departure point by taxi.
⚠️ Things can change over time, so always validate details locally before you go.

Other Fijian landmarks near Sawa-i-Lau Caves

Explore more nearby:

  • Naihehe Caves—Guided headlamp walk, limestone stream chambers, warrior refuge, village-run| 127 km away
  • Tavuni Hill Fort—Tongan-built fortress, Sigatoka River view, defensive ditch, lali drum| 143 km away

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We 💚 feedbackKey takeaways before you go

Go early in the morning, or in the hour after the big day boats have pulled away, and the cave is calm, quiet and noticeably more beautiful. Midday light is brightest through the roof opening, but the crowds are thickest then too, so I would take the quieter hour over the perfect beam. Dry months give calmer seas for the crossing.

✍️ Help improve this page!
The information on this page is based on in-depth research, insights shared by experienced travelers, and feedback from the local travel community in Fiji. While every effort is made to keep the information accurate and current, conditions can change — so if you spot anything incorrect or outdated, please get in touch.



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