6 Best Whale Watching (& Swimming) Tours in the Cook Islands

Bubbles Below, operating under Dive Aitutaki, offers an unforgettable whale swimming experience in Aitutaki's crystal-clear waters. Their intimate tours feature groups of four to six people per guide, ensuring a personal and respectful encounter with these majestic creatures.

You'll observe the whales from a considerate distance of 10–15 m (30-50 ft), perfect for capturing those awe-inspiring moments. Don't worry if you're not a confident swimmer; buoyancy aids are available to keep everyone comfortable and safe.

Choose between shared tours or private charters for a more exclusive adventure. Both options include water, snacks, and a two-hour whale swim that will leave you speechless.

Location: Arutanga Harbour, Aitutaki. Transfers are available for an additional fee.

Raro Reef Sub offers a unique whale-watching experience from April to December/January aboard a semi-submersible vessel.

Although not dedicated to whale watching, they'll stop for viewings if the opportunity arises as you cruise to Rarotonga's deep outer reef, where it is also possible to spot large pelagic fish, turtles and sharks. The 1 hr 30 mins tour also explores the RMS Maitai shipwreck and hard-to-reach locations.

As a bonus, a portion of your fare contributes to local conservation efforts.

It's an eco-friendly way to witness marine life in its natural habitat! This is also a spectacular option with kids, as listed in the 40 Best Things to Do in the Cook Islands with Kids.

Location: Tours depart from Avatiu Harbour, Avarua, on the north side of Rarotonga.

Wahoo Fishing Charters is a top pick for whale watching in Rarotonga. Known for their fun-loving crew and relaxed vibe, Wahoo offers seasonal whale watching charters that double as a social day out at sea.

Each tour runs for about 4 hrs 30 mins and includes two friendly crew members on board, ensuring both safety and a great time. You’ll enjoy a home-cooked lunch, drinks, and snacks while keeping an eye out for whales—plus, you're welcome to BYO drinks to add to the party feel.

Music plays throughout the trip, adding to the upbeat atmosphere Wahoo is known for. Tours are available as shared or private charters, and even if other operators are fully booked, Wahoo is a reliable and memorable alternative.

Location: Avana Harbour, Ngatangiia (just north of Muri) or Avatiu Harbour, Avarua at the north end of Rarotonga.

On board a comfortable speed boat with seats including backrests (?!), Rongohiva will take you out to see the whales between July and October.

Swap their usual banana boat adventures for a trip to the deep blue, where you can get up close to humpback whales and, hopefully, see them breaching and diving! There's very little shade on the boat, however, so be sure to bring sunscreen and a hat.

Location: Avatiu Harbour, Avarua, northern end of Rarotonga.

Akura Fishing Charters offers one of the most thrilling whale watching experiences in Rarotonga. As one of the island's most experienced fishing charters, this family-owned operation has been delighting visitors for over 20 years.

During the humpback whale season, their large purpose-built boat with a shaded deck becomes the perfect platform for observing these majestic creatures. The professional and safety-conscious crew are not only experts in fishing but also extremely knowledgeable about the local marine life.

With their high-end equipment and years of experience, they'll ensure you have the best chance of spotting whales in their natural habitat. Highly recommended by locals and return visitors alike, Akura's whale watching tours are a must-do activity.

Location: Avatiu Harbour, Avarua, northern end of Rarotonga.