Na Pali Coast
The 17-mile cathedral-cliff coastline on Kauai's north-west shore. Boat, helicopter, and (in summer) kayak only — there's no road. The single most-photographed stretch of the island.
Top tour: Napali Coast Boat Tour and Snorkeling
Kauai is Hawaii's oldest island, often called the Garden Isle for its lush rainforest interior, dramatic sea cliffs, and waterfall-fed valleys. This map gathers 17 of Kauai's defining attractions, from the cathedral cliffs of the Na Pali Coast to the deer-quiet of Polihale Beach, with the Viator tours that visit each one.
Tours are conversion-scored: those flagged Likely to Sell Out, with 500+ reviews, or 4.8★+ ratings surface first inside each attraction's popup. Affiliate revenue routes through Viator's partner program at no extra cost to bookers.
The 17-mile cathedral-cliff coastline on Kauai's north-west shore. Boat, helicopter, and (in summer) kayak only — there's no road. The single most-photographed stretch of the island.
Top tour: Napali Coast Boat Tour and Snorkeling
Mark Twain's 'Grand Canyon of the Pacific'. 14 miles long, up to 3,600 ft deep, ringed by lookout overlooks along Highway 550.
Top tour: Waimea Canyon Downhill Bike Ride
Two-mile crescent beach on Kauai's north shore, framed by the Makana mountain range. Surfing, paddleboarding, and the sunset most postcards print.
Top tour: Hanalei Bay Morning Kayak and Snorkel Tour
Eastern-shore river system feeding the 80-ft twin Wailua Falls and the Fern Grotto. Kayak, riverboat, and standup-paddle access from Wailua Marina.
Top tour: Wailua River & Waterfalls Kayak Tour: Expert-Guided Adventure
North-shore reef snorkel paradise (Tunnels) plus the Kalalau Trail trailhead at Ke'e. Both inside Haena State Park, which requires advance reservations.
Top tour: Kauai Canyon Explorer: Private Tour Featuring Waimea & Kokee
North-shore resort plateau above Hanalei. Hiking trails to Queen's Bath, golf, helicopter pad, sunset cliffs.
Top tour: Princeville Botanical Gardens Tour and Chocolate Tasting Ticket
South-shore drier-side beach hub. Snorkel coves, monk seals on the sand, family-friendly water, and the entry point for many south-shore boat tours.
Top tour: Semi-Private Surf Lesson in Sunny Po'ipu
Main town and cruise-ship port on the south-east coast. Airport, Kalapaki Beach, the Menehune Fishpond, and the launch point for many east-side tours.
Top tour: Small Group Waterfall Rappel in Lihue, Kauai
Eleven-mile cliffside trail from Ke'e Beach into the Na Pali Coast. The first two miles to Hanakapi'ai Beach are accessible to most visitors with a Haena State Park reservation.
Top tour: Private Kauai Island Tour : Waimea Canyon, Kalalau Lookout + More
17-mile-long beach on Kauai's far west, ending at the Na Pali sea cliffs. Reached by a rough 5-mile dirt road; high-clearance vehicle recommended.
Top tour: Kauai Sea Kayaking 10 mile tour - Na Pali Iki (Polihale to Milolii)
East-shore town and the Kauai Path multi-use trail running along the coast. Sunrise yoga, beach cafes, the entrance to inland Sleeping Giant trailhead.
Top tour: Kauai Island Private Guided Tour-Waimea Canyon from Lihue/Kapaa
Old plantation-era town on the south-west coast, famous for its Friday-night art walk and the swinging footbridge across Hanapepe River.
Top tour: Creative Soul Scavenger Hunt( Hanapepe, Kauai)
Smaller, less-visited canyon south of Waimea Canyon. Access only via private helicopter-land tours; the canyon walls reach 2,500 ft.
Top tour: Kauai' Exclusive Helicopter Tour: Land & Explore Olokele Canyon
Historic plantation town a few miles inland from Poipu. Old Koloa Town shopping street, the Koloa Heritage Trail, and the Koloa Zipline.
Top tour: Koloa Zipline in Kauai
120-ft waterfall reached by a 2-mile kayak up Wailua River followed by a 30-minute hike. Local name Uluwehi Falls.
Top tour: Secret Falls Kayak and Hike in Kauai
Calm, reef-protected beach on the north shore between Princeville and Kilauea. Snorkel-friendly, less crowded than Hanalei.
Top tour: Kauai's Ultimate Guided Shore Snorkel (NO BOAT): North Anini
Tours that didn't keyword-match a specific attraction. Often general-Kauai helicopter overflights, photography sessions, multi-island tours, and rentals not anchored to one spot.
Top tour: Kauai Deluxe Waterfall Safari: Helicopter Tour
By Viator booking volume, the Na Pali Coast boat tours dominate. The 17-mile cathedral-cliff coastline is reachable only by boat, helicopter, or (in summer) kayak, which makes a guided tour the practical entry point. Several operators run from Port Allen on the south shore — the Lucky Lady catamaran and the Holo Holo are the highest-reviewed.
Five to seven days is the local consensus. Three days lets you do Na Pali by boat plus Waimea Canyon, but you'll miss the slower-paced pleasures of Hanalei and the south-shore beaches. A full week comfortably covers the headline attractions plus a non-rushed pace at the beach, which is most of the point of Kauai.
April through June and September through October are the sweet spots: less rain than winter (which gets ~30+ inches at Princeville on the north shore), fewer crowds than summer or December holidays, and full operating schedules at all the boat and helicopter operators. Whale watching peaks January through March if that's your priority.
Almost always, yes. There's no public transit between attractions of note, taxis and rideshare are scarce, and tour pickups don't reach the further attractions like Polihale or the Kalalau Trail trailhead. Book your rental as far in advance as your trip allows — the island has chronic fleet shortages, and last-minute prices can exceed your nightly hotel rate.
It's slightly cheaper than Maui or Oahu's Waikiki for accommodation, but food, gas, and tours are roughly equivalent across the four major islands. Tour prices on this map run from about $50 for a half-day kayak rental to $400+ for a private helicopter doors-off; the median is around $150-180.
Poipu Beach (calm reef-protected swimming), Wailua River for the family-paced kayak-to-Secret-Falls outing, the Kauai Coffee plantation tour, and the Kilauea Lighthouse wildlife refuge for ages 4+. Skip the Kalalau Trail beyond the first two miles — it gets exposed and steep — and skip the boat tours that promise dolphins for kids who get seasick.