Seahorse Liveaboard • Halmahera & Raja Ampat
Dive among the colorful reefs of Misool and the pristine waters of Halmahera. A route teeming with unique sharks, enormous schools of fish, and spectacular underwater landscapes.
Travel period
Features
Starting from
Liveaboard Trip from Halmahera to Raja Ampat
This unique liveaboard combines two of Indonesia’s most impressive dive destinations: Raja Ampat and Halmahera. During this trip, you’ll sail from Sorong to Ternate and discover a vast variety of underwater landscapes, from the iconic reefs of Misool to the relatively unknown waters of Halmahera. It is precisely this combination that makes this route so special.
The first few days are dedicated to Misool, the southern part of Raja Ampat. This area is one of the most biodiverse marine ecosystems in the world and is known for its colorful soft corals, spectacular rock formations, and enormous schools of reef fish. Here you can come face to face with manta rays, barracudas, tuna, and the remarkable wobbegong—a carpet shark that lies perfectly camouflaged on the reef. Macro photography enthusiasts will also be in for a treat thanks to the presence of pygmy seahorses, nudibranchs, and countless other tiny reef dwellers.
After Raja Ampat, the liveaboard crosses the Molucca Sea toward Halmahera. This less-visited area offers a completely different diving experience. Strength-current-filled straits, sea mountains, and colorful reefs attract large schools of fish, reef sharks, and pelagic species. At the same time, the healthy coral reefs and rich biodiversity ensure that underwater photographers will also find plenty to enjoy here.
Above water, you’ll enjoy secluded islets, lagoons, and volcanic landscapes. For those seeking a diverse diving trip with abundant marine life, spectacular reefs, and an adventurous route off the beaten path, this liveaboard is an excellent choice.
Best Time to Visit Halmahera & Raja Ampat for a Diving Vacation
This itinerary is only available in April and May. During this period, conditions in both Misool and Halmahera are generally at their best, with abundant marine life, good visibility, and a high chance of encountering manta rays, reef sharks, and large schools of fish.
Departure Dates
The Sea Horse is an exclusive liveaboard with space for only 16 people per trip. In addition, the boat only sails this route in April and May. As a result, the boat fills up quickly.
Average Temperatures
Wetsuit recommendations for diving in Raja Ampat & Halmahera 
The water is a pleasant temperature, so a 3mm wetsuit may be sufficient. You’ll be doing up to 4 dives a day, so if you get cold easily, a 5mm wetsuit might be more comfortable.
What will you experience on this diving vacation?
View the itinerary here
Days 1–3 | The Trip to Halmahera
Your adventure begins with the trip to Indonesia. For this liveaboard, you’ll fly to Ternate, the gateway to Halmahera. Halmahera is the largest island in the Moluccas. Depending on the airline you choose, you’ll travel via Jakarta, then take a domestic flight to Ternate. The total travel time is usually 2 to 3 days.
To account for any delays along the way, we recommend arriving at least one day before the liveaboard’s departure. If desired, we can arrange comfortable accommodations in Jakarta or Ternate, depending on the flight schedules.
Upon arrival at Ternate Airport, you’ll be welcomed by the crew of the MSY Seahorse and taken to the ship. Once on board, you’ll receive a welcome drink, meet the crew, and get a safety briefing. Cabins will also be assigned, and the final formalities for diving will be completed. Once everyone is on board, the adventure begins and the ship sets course for the spectacular dive sites of northeastern Indonesia. Take some time to explore the ship, settle into your cabin, and look forward to the dives scheduled for the coming days.

Day 4 | Volcanic Dives near Tidore and Ternate
The first day of diving takes place around the volcanic islands of Tidore and Ternate. The underwater landscapes are distinctly different from those of previous dive sites and consist of steep reef slopes, volcanic formations, and colorful coral gardens.
The reefs are home to schools of reef fish, snappers, surgeonfish, and fusiliers, while sea turtles are also frequently spotted. Countless smaller creatures hide among the coral, making these dives a great combination of wide-angle and macro photography. Depending on conditions, there’s a chance of encountering hunting trevally, barracuda, and other pelagic species passing by the reefs. Due to the sheltered location, conditions are often calm.
After the dive, there will be plenty of time left to enjoy the view of the distinctive volcanoes of Tidore and Ternate.
Days 5–8 | Diving around Halmahera
These days, you’ll be diving in the waters off Halmahera. This region is much less well-known than Raja Ampat, but it’s definitely one of Indonesia’s most beautiful diving destinations. Over the next few days, you’ll be diving in the Patienti Strait and around the Goraichi Islands, where currents bring nutrient-rich water and create a massive concentration of fish.
The underwater landscapes consist of seamounts, rocky islets, and colorful reefs teeming with soft corals. Blacktip reef sharks are a common sight here and are seen on many dives. In addition, tuna, Spanish mackerel, giant trevally, and other pelagic species migrate through the area. Large schools of surgeonfish, sweetlips, parrotfish, and snappers create impressive underwater scenes. In addition to the large marine life, Halmahera also offers excellent opportunities for macro photography, with numerous unique small reef dwellers hiding among the coral.
Day 9 | Pulau Pisang
After a nighttime crossing to the Moluccas, you’ll arrive at Pulau Pisang. This remote island is a lovely stopover between Raja Ampat and Halmahera. The dive sites consist of slopes, small walls, and reef plateaus teeming with colorful hard and soft corals. Large schools of reef fish provide plenty of action here, and thanks to the island’s isolated location, the underwater life is often exceptionally pristine. During two dives, you’ll explore a different type of ecosystem before the journey continues toward Halmahera. After the dives, the Seahorse sets course northward for the next leg of the expedition.
Days 10–13 | Diving around Misool
The last few days have been all about Misool, considered by many divers to be one of the most beautiful diving areas in the world. It is the southern part of Raja Ampat. Underwater, steep walls, overhangs, caves, pinnacles, and colorful reefs alternate. The reefs are covered with soft corals, enormous fan sponges, and gorgonians, which provide an ideal habitat for an impressive diversity of marine life.
Misool is known for its enormous schools of fish. Swarms of fusiliers attract predatory fish such as tuna, barracuda, and giant trevally. Manta rays also regularly appear above the cleaning stations. The unique wobbegong, also known as the carpet shark, is often found resting on the reefs. This distinctive shark is found almost exclusively in this region and lies perfectly camouflaged among the coral. During night dives, there’s even a chance to spot the rare walking shark, a species that moves across the reef using its fins. Misool is also a paradise for macro enthusiasts, with pygmy seahorses, nudibranchs, shrimp, and other small reef dwellers.
Between dives, you’ll have the opportunity to go snorkeling, kayaking, or visit the famous Love Lagoon and the natural shark nursery near the ranger station.
Day 14 | Disembarkation and Return Trip
After breakfast, you’ll say goodbye to the crew and disembark in Sorong. From here, your return trip to the Netherlands begins, but you also have the option to extend your stay in Indonesia.
You can choose to spend a few more days at one of the small-scale resorts in Raja Ampat. From these resorts, you can continue diving or snorkeling on the colorful reefs for which the region is famous. In addition, the tropical islands offer a relaxing setting to unwind after your liveaboard trip. Several resorts are located on private islands, ensuring peace and quiet, natural surroundings, and a personal atmosphere.
This itinerary is also available in the reverse direction. You’ll start in the Moluccas and end in Raja Ampat, making it easy to stay at a resort after your liveaboard trip.
If you’d prefer to stay longer in the Moluccas, there are plenty of options for that as well. This archipelago is known for its rich history as a center of the spice trade, its impressive volcanoes, and its authentic character. From Ternate, you can explore the historic Spice Islands, climb a volcano, or get a taste of local life on the surrounding islands.
Highlights of this trip
What can you expect from this liveaboard in Halmahera & Raja Ampat?
Wobbegongs & Epaulette Sharks
Misool is one of the best places in the world to spot two unique shark species. The wobbegong, also known as the carpet shark, is often perfectly camouflaged on the reef. During night dives, there’s also a chance to see the rare epaulette shark (walking shark). This small shark uses its fins to move across the reef and is found almost exclusively in Eastern Indonesia and Papua.
The Last Paradise on Earth
Between dives, you’ll visit some of Raja Ampat’s most beautiful landscapes. At the ranger station, young blacktip reef sharks swim in shallow, crystal-clear water that serves as a natural nursery. A short walk takes you to the viewpoint overlooking the famous Love Lagoon, where you can gaze out over a lagoon surrounded by limestone islets.
Halmahera’s Pristine Reefs
Halmahera is one of Indonesia’s least-visited diving destinations. Large schools of reef fish, tuna, Spanish mackerel, and blacktip reef sharks gather around seamounts, small islands, and fast-flowing channels. The colorful soft corals and healthy reefs make this area particularly attractive to underwater photographers who enjoy diving off the beaten path.
Seahorse
The liveaboard and its onboard facilities
The Seahorse is a traditional Indonesian phinisi, 33 meters long, specially designed for divers who want to explore Indonesia’s remote and most spectacular dive sites. The boat is part of the Wallace Dive Cruise, a fleet consisting of two boats. The Ambai is also part of this fleet.
The boat was built in 2005 and underwent a complete renovation in 2018, with a focus on comfort, safety, and functionality. It can accommodate up to 16 guests, who are looked after by an experienced team of 12 crew members and 4 divemasters. Thanks to its wide 8.5-meter hull, the Seahorse offers plenty of living space, both indoors and outdoors. The spacious decks provide ample room to relax between dives, while the common areas invite guests to share their experiences with fellow travelers.
The boat has the authentic look and feel of a traditional sailing schooner, but with the modern amenities you’d expect from a comfortable liveaboard. For diving, the boat uses two large, custom-built aluminum dinghies, making getting on and off the boat easy and comfortable.
On board the Seahorse, guests stay in spacious cabins designed with comfort in mind for multi-day diving trips. The liveaboard has a total of eight cabins, consisting of five twin cabins and three cabins with a double bed. This ensures that suitable accommodations are available for both solo travelers and couples.
All cabins are equipped with air conditioning and a private bathroom with hot water. The cabins are practical in design, with ample space for personal luggage and diving gear. Towels and toiletries such as soap, shampoo, and toothpaste are included.
The combination of traditional Indonesian touches and modern amenities creates a pleasant and relaxing atmosphere on board.
Travel Expenses
What's Included
This diving vacation aboard the Seahorse is available starting at € 5.610 per person, based on two people sharing a cabin. The diving trip can be extended as desired. A number of items are included as standard in this travel package.
Prices are subject to change due to price adjustments, increases, or fluctuations in exchange rates. Flights are always booked in the lowest possible fare class.
Want to know more about this liveaboard trip to Indonesia? Contact us!
Included in this diving trip, from € 5.610 p.p.
- 11 nights in a double cabin or shared twin cabin
- Full-board accommodation
- Drinking water, coffee/tea, fruit juices, snacks
- Diving package with up to 33 dives
- Nitrox for certified divers
- Starlink Internet (5G)
- Land Excursions Mentioned
- All listed transfers
- General Terms and Conditions, Emergency Fund, and Administrative Fees
Excluding
- Flights starting at € 1.200 per person
- Diving & Travel Insurance
- Visa for Indonesia (approx. €30)
- Port & Parking Fees (€300)
✈︎ The quoted (international) flight prices are indicative prices and based on departures from Europe. However, we can arrange flights from any location worldwide. Booking your own flights is of course also possible.
Optional
- Dive Equipment Rental (€ 400)
- Rent an SMB (€ 50)
- 15L tank (€ 75)
- Full-body massage, 45 minutes (€ 30)
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Frequently Asked Questions About This Liveaboard
The liveaboard
There are only a few departure dates for this specific itinerary. However, the Seahorse sails on several different itineraries in Indonesia, so you can also choose different dates and explore another part of Raja Ampat or Indonesia.
The Seahorse sails various routes in Indonesia. These different routes depart from various islands in Indonesia and vary in duration.
- Komodo National Park
- Banda Sea (Forgotten Island – Ring of Fire)
- Raja Ampat & Banda Sea
- Raja Ampat Ultimate
- Raja Ampat & Triton Bay
- Raja Ampat, Halmahera, and Lembeh
Yes, 5G Starlink internet is included with your stay.
Diving general
For this trip, you must have at least an Advanced Open Water certification with a minimum of 30 logged dives.
During this trip you will make different types of dives: reef dives, drift dives and deep dives. You will always receive a clear briefing beforehand.
The dive sites are nearby. You dive from the dinghy, which always drops you off right at the starting point of the dive site.
Yes, the goal is to do one night dive every day.
You can only take a Nitrox specialty course here. Other courses are not offered.
Diving equipment
Both tanks are available.
No, there are 100 cu ft tanks. These are larger tanks, but converted to liters, that’s 13 liters. These are the largest tanks on the boat. Using a larger tank costs £ 63 per trip.
Yes, if you bring your own side-mount equipment, this isn’t a problem at all.
Yes, the use of nitrox is included.
Yes, that’s possible. Renting a full set costs £ 33 per day. You have 10 dive days, so you’ll pay a total of £ 334. A dive computer and flashlight are also included in this price. Would you like to rent an SMB? This costs £ 4 per day.
You leave your diving equipment on the dive deck of too boat.
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