Leg 10 — Tonga: Vavaʻu & Haʻapai Exploration
Sail the Islands. Discover the Wild Side of Tonga.
Vavaʻu → Haʻapai → Vavaʻu | August 31 – September 8, 2027
9 Days | Approximately 145 Nautical Miles | Maximum 6 Expedition Members
Single Berth: $6,800 per person | Shared Berth: $5,800 per person
Imagine sailing among beautiful tropical islands, anchoring in secluded bays, snorkeling vibrant coral reefs, and discovering white-sand beaches accessible only by boat.
Now imagine sharing those waters with migrating humpback whales.
Welcome to Tonga—one of the South Pacific's most extraordinary sailing destinations.
This nine-day expedition combines relaxed island exploration with hands-on sailing, remarkable natural environments, and opportunities to experience the warm hospitality and rich traditions of the Tongan islands.
Join Koru's small crew as we discover the spectacular cruising grounds of Vavaʻu, with the possibility of venturing south into the less-traveled Haʻapai archipelago.
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The Passage: Exploring Tonga's Island Worlds
Our adventure begins in Vavaʻu, an extraordinary collection of forested islands, sheltered bays, turquoise lagoons, and secluded anchorages.
Unlike our longer offshore passages, this expedition gives us time to explore at a more relaxed pace, balancing sailing with opportunities to discover the natural beauty and cultural richness of Tonga.
We'll navigate between tropical islands, learn to read changing water depths and reef formations, and practice the seamanship required for sailing safely in coral-rich environments.
Depending on weather and sea conditions, we may sail south toward the Haʻapai Islands, a beautiful and less-traveled archipelago known for pristine beaches, crystal-clear waters, and traditional island communities.
Islands such as Lifuka, Foa, and Uoleva offer intriguing possibilities for exploration, snorkeling, and discovering some of the South Pacific's quieter corners.
The prevailing southeast trade winds can provide enjoyable sailing conditions, while reef passages, variable anchorages, and changing weather require thoughtful navigation and sound seamanship.
We'll adapt our itinerary to make the most of the conditions, creating opportunities for memorable discoveries along the way.
Our journey concludes back in Vavaʻu, completing nine days of sailing and island exploration.
What You'll Experience and Learn
Every Koru expedition is hands-on. You'll be an active participant aboard our 50-foot performance sailing catamaran, with opportunities to develop skills in:
Inter-island sailing, watchstanding, and passage planning
Sail handling, reefing, and trade-wind sailing
Reef navigation, coastal piloting, and reading water conditions
Anchoring, mooring, and evaluating protected anchorages
Celestial navigation and electronic navigation
Vessel systems, seamanship, and offshore safety
You'll share in the daily responsibilities of life aboard while developing confidence and experience as part of a small expedition crew.
With a maximum of six expedition members, there's ample opportunity for individual instruction and meaningful participation.
Each expedition member receives one complimentary ASA course, subject to eligibility and availability.
[Download the Detailed Expedition Brief]
Beyond the Sailing: Reefs, Remote Islands, and Humpback Whales
Tonga is a remarkable destination both above and below the water.
The islands of Vavaʻu offer sheltered anchorages, coral reefs, beautiful beaches, and unusual coastal formations. Depending on our route, we may have opportunities to explore secluded bays, snorkel, visit Swallows Cave, or discover traditional island communities.
Farther south, the Haʻapai archipelago presents a different landscape of scattered tropical islands, brilliant turquoise shallows, and expansive coral reefs.
If conditions permit, we may explore beautiful islands such as Uoleva or Foa, with opportunities for snorkeling, beach walks, locally guided excursions, and discovering island life beyond the usual tourist destinations.
And then there are the whales.
August and September fall within Tonga's humpback whale season, when these magnificent animals migrate into the warm waters surrounding the islands.
We may have opportunities to observe humpback whales from Koru while maintaining appropriate distances. For guests particularly interested in experiencing whales in the water, a separate excursion with a licensed local operator may be possible, subject to regulations, availability, and suitable conditions.
Other activities may include guided scuba diving, exploring coral reefs, kayaking, or visiting local communities.
Our priority is a safe, rewarding sailing expedition. Wildlife encounters, intermediate island visits, and activities depend on weather, sea conditions, safe access, and local arrangements.
Expedition Details & Pricing
Departure: Vavaʻu, Tonga (VAV) — August 31, 2027
Arrival: Vavaʻu, Tonga (VAV) — September 8, 2027
Duration: 9 days
Distance: Approximately 145 nautical miles, route-dependent
Mandatory Safety Briefing: August 30 at 6:00 PM local time
Embarkation / Disembarkation: 10:00 AM local time
Single Berth — $6,800 per person
Your own berth, with no requirement to share with another expedition member.
Shared Berth — $5,800 per person
Two expedition members sharing one double berth save $1,000 each, a combined savings of $2,000 ($11,600 total).
Each expedition member receives one complimentary ASA course, subject to eligibility and availability.
A $1,000 refundable deposit per person secures your berth, subject to our reservation and cancellation terms.
Ready to Discover Tonga?
Whether you're developing your sailing skills, dreaming of beautiful island anchorages, fascinated by extraordinary marine life, or simply looking for a more personal way to explore the South Pacific, we'd love to explore whether this expedition is right for you.
Koru expeditions are personal, participatory adventures built around learning, exploration, and meaningful connections.
