Kauai Boat Tours Ranked by Seasickness Risk

We scored 18 boat tours in Kauai from their listings. 2 tours of 18 score 2 or lower on our 1–5 seasickness risk scale. The calmest options are Kalapaki Kai Sunset Catamaran Cruise (Kauai Beach Boys); Kauai Full Day Tour with Cruise ships or Kauai Airport Pickup (Tournet Hawaii, Inc.).

This score is our estimate from the listing’s description, not an operator figure. How we score.

TourSeasickness riskOperatorFrom
Kalapaki Kai Sunset Catamaran Cruise
“Scenic and relaxing sunset cruise of the historically significant areas of Kalapaki Bay, Nawiliwili, Haupu Mountain Range, Hulei’a River and Ninini Point.”
2/5Kauai Beach Boys$114Check dates
Kauai Full Day Tour with Cruise ships or Kauai Airport Pickup
“• Professional driver/guide”
2/5Tournet Hawaii, Inc.$240Check dates
Kauai: NaPali Boat Tour on the Amelia K
“Estimate from activity type”
3/5Makana Charters$227Check dates
Kauai: Waimea Town, Wailua River Cruise & Fern Grotto Tour
“Experience Kauai’s natural beauty and local culture in one day, with a local guide connecting the sights through island stories.”
3/5Polynesian Adventure Tours$279Check dates
Kaanapali Beach Parasailing: Soar Above Maui’s Stunning Coastline
“Estimate from activity type”
3/5Ka`anapali Beach Parasail$79Check dates
Kauai’s Ultimate Guided Shore Snorkel (NO BOAT) in South Poipu
“Estimate from activity type”
3/5Z Tourz$120Check dates
Kauai Napali Coast Boat Tour and Snorkeling
“Estimate from activity type”
3/5Napali Navigators$215Check dates
Princeville - Snorkeling Shore Excursion
“Estimate from activity type”
3/5Sensational Sea Adventures LLC$123Check dates
Kauai: Deluxe Na Pali Snorkel Cruise aboard Lucky Lady
“Safety is our top priority: all passengers must be suited for possible rough waters and able to hold on and move about the vessel without concern”
4/5Kauai Sea Tours$234Check dates
Nāpali Sunset Dinner Cruise
“Ocean conditions vary and may be rough.”
4/5Holo Holo Charters, Inc.$264Check dates
Kauai: Na Pali Coast Power Catamaran
“We suggest that you bring the following items: a hat, sunglasses, sunscreen, a towel, cameras, any necessary medications, and motion sickness pills.”
4/5Na Pali Experience$275Check dates
Kauai: Luxury Na Pali Snorkel Experience aboard Lady Kailani
“Safety is our top priority: all passengers must be suited for possible rough waters and able to hold on and move about the vessel without concern”
4/5Kauai Sea Tours$261Check dates
Kauai: Luxury Na Pali Sunset Experience aboard Lady Kailani
“Safety is our top priority: all passengers must be suited for possible rough waters and able to hold on and move about the vessel without concern”
4/5Kauai Sea Tours$261Check dates
Maui Parasailing Experience from Ka'anapali
“Admire bird’s-eye views of the picturesque Maui coastline as you fly through the air on a single, tandem or triple parasail adventure before landing smoothly and safely on the boat.”
4/5UFO Parasail Maui$89Check dates
Kauai's Ultimate South Island Zodiac Boat Snorkel Adventure
“Not recommended for travelers with sever motion sickness”
4/5Z Tourz$161Check dates
Maui: Whale Watching Cruise with Open Bar from Ka'anapali Beach
“Estimate from activity type”
4/5Sea Maui$103Check dates
Kauai: Whale Watch Cocktail Tour aboard 'Imiloa
“Estimate from activity type”
4/5Kauai Sea Tours$136Check dates
Kauai's South Side Whale and Dolphin Zodiac Boat Adventure
“Each winter from December through May, these gentle giants make their way to Kauai’s warm waters, putting on an unforgettable show of breaching, tail slapping, and singing that delights visitors of all ages.”
5/5Z Tourz$158Check dates

Questions

Which boat tour in Kauai is best if I get seasick?

Start with Kalapaki Kai Sunset Catamaran Cruise (Kauai Beach Boys); Kauai Full Day Tour with Cruise ships or Kauai Airport Pickup (Tournet Hawaii, Inc.); Kauai: NaPali Boat Tour on the Amelia K (Makana Charters). Their listings describe the calmest water or most stable boats. Our score is an estimate from the listing text.

How up to date is this information?

We last checked these listings on 2026-11-02 and re-check every listing monthly. Operators can change their rules, so confirm before you book.

Restrictions come from each tour’s listing on GetYourGuide or Viator: the suitability notes, “Know before you go”, booking rules, and what is and isn’t included. Last checked 2026-11-02. Operators change rules, so confirm before you book.

More about boat tours in Kauai

Seasickness risk: boat tours elsewhere