
Halmahera, the largest island in the Maluku archipelago, is an unspoiled paradise known for its dramatic volcanic landscapes, rich marine biodiversity, and deep historical and cultural significance. Located between Sulawesi and Papua, this remote destination remains one of Indonesia’s best-kept secrets, attracting divers, explorers, and history enthusiasts alike.
Main Regions of the Halmahera
Halmahera is divided into four main regions: Central Halmahera, known for its active volcanoes, lush rainforests, and unique cultural traditions;
South Halmahera, a diver's paradise with untouched coral reefs and spectacular underwater topography; and the Goraichi and Bacan Islands, which offer unique landscapes and experiences, including the remote Siko Islands and Lilai Village, both renowned for their pristine marine environments and rich cultural heritage.
The Beauty of Marine Biodiversity
Halmahera is one of Indonesia’s emerging world-class diving destinations, boasting pristine reefs, pelagic action, and vibrant coral gardens. It has some popular Dive Sites which consist of the beauty of Goraichi Islands– an untouched paradise with incredible coral formations, schooling fish, and the stunning Siko Islands, offering some of the best diving in the region.
Bacan Island– known for its diverse marine life, including pygmy seahorses and rare nudibranchs, and not forgetting about Ternate & Tidore Reefs which is an easy-access diving with vibrant coral gardens and rich marine biodiversity.
The marine life in Halmahera is truly exceptional, featuring reef sharks and the occasional whale shark, as well as manta and mobula rays. Divers can also encounter pygmy seahorses and a variety of fascinating macro critters. Large schools of barracuda, tuna, and jacks are commonly spotted, while the area is home to pristine hard and soft coral reefs, creating a vibrant underwater ecosystem.

Community Traditions & Local Life
The people of Halmahera boast a rich cultural heritage shaped by indigenous tribes, Islamic sultanates, and colonial history. The Tobelo and Galela tribes are known for their unique traditions and music, while the Ternate and Tidore Sultanates serve as the cultural heart of the island, preserving centuries-old customs.
Nomadic seafaring communities, like the Kampung Bajo (Sea Gypsies), inhabit the waters around Halmahera. In the Goraichi Islands, Lilai Village offers visitors an authentic glimpse into local culture, where traditional fishing practices and warm hospitality are part of everyday life.
When to Taste & See Halmahera
The best time to visit Halmahera is from March to October, during the dry season, which offers excellent conditions for both diving and hiking. While the rainy season from November to February still provides great diving opportunities with fewer crowds, the best chances for whale shark sightings are from October to December.
Halmahera is a true paradise for adventurers, divers, and history enthusiasts, offering unique experiences, from diving among WWII wrecks and hiking active volcanoes to exploring ancient sultanates—experiences found nowhere else on Earth.