Humpbacks gather to mate and calve in the shallow 'Au'au Channel from December to April, and a 1.5 to 2 hour trip costs $77 to $89 per adult. Lahaina Harbor reopened to limited commercial use in December 2025.
Updated October 22, 20264 operators compared14 sources
Ka'anapali Whale WatchIncludes Onboard whale naturalists and hydrophones, Light lunch (wraps or sliders) and a cookie; cinnamon roll and fruit on the 8am sail, Non-alcoholic drinks and filtered water, Two cocktails, wine or beer for guests 21+, Reef-safe sunscreen
From each operator's own website, checked October 21, 2026. How we compare.
From Ma'alaea Harbor to the Sheraton beach lawn
At Ma'alaea Harbor, PacWhale Eco-Adventures checks guests in 45 minutes before sailing at the Pacific Whale Foundation's Ocean Store. The store is in the Ma'alaea Harbor Shops, next to Maui Ocean Center. Trilogy also sails from Ma'alaea and moves its Ka'anapali trips there on large-surf days, when guests must make their own way to the harbor. On the south shore, Redline Rafting launches from the Kihei Boat Ramp at 2800 S Kihei Rd, with check-in opening 30 minutes before its 7, 9 and 11 am trips.
Lahaina Small Boat Harbor reopened to a few commercial operators on December 15, 2025, its first commercial traffic since the August 2023 wildfires. The state Division of Boating and Ocean Recreation (DOBOR) limited tours to 8 am to 6 pm because the harbor had no power, and banned mooring until further notice. Maintenance dredging began June 1, 2026 and should finish in December 2026. DOBOR says permitted tours keep operating, but the harbor parking area next to King Kamehameha III Elementary School was set to become a stockpile for dredged sediment. Other parking was being arranged with the county.
Ultimate Whale Watch boards its rafts at the Mala Boat Ramp, 1229 Front St. in Lahaina, and asks guests to arrive 20 minutes early. It says a 2-hour trip may range 2 to 10 miles out. Trilogy's Ka'anapali sails check in on the Sheraton Maui beach lawn, where the Beach Walk ends, 30 minutes before departure, and board from the sand. Sheraton parking costs $15, and Trilogy does not validate at Whalers Village. Trilogy points guests with limited mobility, and parents of small infants, to its Lahaina Harbor sailings.
Humpback whales come to Hawaii each winter to mate, give birth and nurse. Hawaii's tourism board puts them in Maui waters from December through May, with the best viewing from January to early April. Operators work a slightly shorter season: Trilogy and Redline Rafting run whale trips from mid-December to mid-April, and Ultimate Whale Watch guarantees sightings from December 1 to May 1. The tourism board singles out the 'Au'au Channel, the shallow water between Maui, Moloka'i and Lana'i, as the place where whales gather.
Calves are a regular sight by the operators' accounts. Ultimate Whale Watch says it sees babies on almost every trip, and Redline Rafting says Maui's sheltered waters are where most of the population mates and calves. All four operators carry hydrophones for listening to whale song. Redline also lists green sea turtles and, at times, spinner dolphins, while Ultimate mentions occasional dolphins.
Leeward water, raft rides and knee-deep boarding
Ultimate Whale Watch notes that its Lahaina rafts leave from the island's leeward side, and it calls the water there famous for its calm. Wind, it says, decides how much of the channel the rafts can reach. It adds that whales are active at all hours, so no departure time is better for sightings. At Ka'anapali, Trilogy's boarding depends on the shore break. On dangerous-surf days guests walk 10 to 15 minutes north along the Beach Walk to a safer spot, and on large-surf days the sail moves to Ma'alaea.
Rafts sit low and move fast. Redline Rafting says its raft gives a more thrilling ride than a big catamaran, and it takes ages 8 to 65 only. It does not recommend the trip for pregnant guests, people with back or neck problems, or frail and elderly riders. Ultimate Whale Watch does not take children under 4, pregnant guests or anyone with a back or neck injury. Neither raft operator's page gives advice on seasickness.
Catamarans, 6-seat rafts and free repeat trips
PacWhale Eco-Adventures sails catamarans from Ma'alaea and caps each boat at 67% of its maximum capacity. Its 2-hour Classic Whale Watch costs $84.19 per adult online ($99.05 regular) and $47.22 for children 5 to 12, and children 4 and under ride free with a paying adult. A certified marine naturalist is aboard, PacWhale cites a 97% sighting rate, and if no whales are seen you can go again free within a year. Its Small Group Whale Watch on Ocean Explorer costs $110.46 online and takes no children under 7.
Ultimate Whale Watch and Redline Rafting both use rafts and both offer another trip free if no whales appear. Ultimate's 2-hour trip from the Mala Boat Ramp is $88 per adult and $56 for ages 4 to 12, with 28 or fewer guests, and its 90-minute Express is $77. Its VIP trip (12 guests, $125) and Luxe trip (6 guests, $177) cost the same at any age, and its guarantee covers December 1 to May 1. Redline's 90-minute Kihei trip is $89 online ($99 retail), with a naturalist and a hydrophone.
Trilogy is the sailing choice, with catamarans off Ka'anapali Beach plus departures from Ma'alaea and from Lahaina Harbor on Trilogy VI, its newest boat. The Ka'anapali sail includes whale naturalists, a light lunch, soft drinks and up to two cocktails, beers or wines for guests 21 and over. Its fares load in a booking widget and are not shown on the tour page. Ultimate also offers private charters, without a published price.
Watching from shore
McGregor Point lookout. Hawaii's tourism board names this lookout west of Ma'alaea as a shore spot for humpbacks, which are in Maui waters from December through May, best from January to early April.
Ka'anapali, Kihei and Wailea beaches. The tourism board also lists the beaches at Ka'anapali, Kihei and Wailea for watching humpbacks from land during the December to May season.
Before you book
Trilogy's Ka'anapali sails board from the beach, so expect to get wet to the knees; Trilogy suggests its Lahaina Harbor departures for guests with limited mobility.
Allow time at Ma'alaea: PacWhale asks guests to check in at its Ocean Store 45 minutes before departure, longer than the 20 to 30 minutes other Maui operators ask for.
Redline Rafting suggests a light jacket or sweater, a tight-fitting hat, sunglasses, reef-safe sunscreen and a camera, even in winter.
Check age and health limits before booking a raft: Redline takes ages 8 to 65 only and advises against the trip in pregnancy or with back or neck problems.
Getting there. Flights land at Kahului Airport (OGG). From Lahaina, the state airports division's directions run about 16 miles on Honoapiilani Highway (HI-30) and about 6 miles on Kuihelani Highway and Dairy Road. The terminal is about 1.5 miles further, roughly 23.5 miles in all. From Kihei the route is Pi'ilani Highway or South Kihei Road, then Mokulele Highway toward Kahului.
Hawaii's tourism board says humpbacks are here December through May, with peak whale watching from January to early April. NOAA's humpback sanctuary gives November through April, and Trilogy and Redline Rafting run whale trips from mid-December to mid-April.
How much does whale watching in Maui cost?
A standard 1.5 to 2 hour trip lists at $77 to $89 per adult (PacWhale $84.19 online, Ultimate Whale Watch $77 to $88, Redline Rafting $89 online). Small-group and raft trips are listed separately on each operator's page.