Swim with Dolphins on Oahu: Catamaran Snorkel with Water Slide and Lunch

QUICK ANSWER
Swim with Dolphins on Oahu: a 3.5-hour morning catamaran tour from Waianae Harbor where you get in the water with wild spinner dolphins, then snorkel with sea turtles, with lunch, a water slide and Waikiki pickup included.
Price: Adult $199 (tax included); child rates are on the calendar. Children aged 1 to 2 are not allowed in the water with the dolphins.
Duration: 3.5 to 4 hours, 7:30am departure (Waikiki pickup about 5:30 to 6:00am). The swim runs March 1 to October 31.
Island: Oahu
Best for: Strong and beginner snorkelers who want to be in the water with dolphins
Booking: instant confirmation.

CAN YOU SWIM WITH DOLPHINS ON OAHU?
Yes. Wild spinner dolphins live off the Waianae coast, and this tour lets you snorkel in the water near them, keeping a respectful distance. The dolphin swim runs from March 1 to October 31; outside that season the operator runs dolphin watching instead.

HOW THE CRUISE RUNS
After pickup and check-in at Waianae Harbor, the crew fits snorkel gear and gives a safety briefing, then a traditional Hawaiian oli (chant) opens the trip. The catamaran Poseidon cruises the Waianae coast looking for dolphins, then lets you into the water with them. Afterward the boat stops at a reef where sea turtles feed, and you can use the 21-foot water slide and paddleboards. Whales can be seen from December to April.

PRICING
Adult $199 (tax included); child rates are on the calendar. Children aged 1 to 2 are not allowed in the water with the dolphins. Prices checked October 2026 on the operator’s own listing; confirm the live rate on the booking calendar.

WHAT’S INCLUDED
– Transport from select Waikiki and Ko Olina hotels
– Lunch and drinks
– Snorkel, mask and fins
– Water slide and paddleboards
– Dietary requests handled on request

KNOW BEFORE YOU GO
– Seasonal: the dolphin swim runs March 1 to October 31
– Children aged 1 to 2 cannot enter the water with the dolphins
– Self-drive guests check in 30 minutes early at Waianae Harbor
– The tour can run long; avoid tight plans afterward
– Cancellation: Full refund if you call 48 hours before the tour; private charters need 7 days’ notice.

WHO IT’S FOR
Travelers whose bucket list includes swimming with dolphins, including families with children old enough to snorkel.

BROWSE MORE
See more Oahu boat tours, alongside the wider Oahu collection. Planning ahead? Read Oahu snorkeling tours. Planning ahead? Read Oahu with kids. Wild dolphins or a park? Read swimming with dolphins on Oahu.