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Maratua Island is the kind of place that stays with you long after you leave. Located in East Kalimantan’s spectacular Derawan Archipelago, this remote Indonesian island invites divers to exchange crowded schedules for clear blue water, quiet beaches, and days shaped by the rhythm of the sea.For many travelers, a diving holiday is about finding extraordinary underwater encounters. In Maratua, those encounters come with something more: a true sense of escape. One day may bring graceful sea turtles drifting above coral gardens the next could lead to a thrilling current dive surrounded by schooling fish and pelagic life. Between dives, there are peaceful boat rides, turquoise lagoons, and sunset moments that make every day feel unhurried.Here are ten reasons why Maratua Island deserves a place on your diving bucket list.

A stay in Maratua is about more than choosing a room. It is about deciding how you want to experience each island morning, sunset, and quiet moment between adventures. At Sienna Resort, guests can choose between the spacious Sangalaki Villa, the sunset-facing Kakaban Villa, and the intimate Sidau Cottage.Each accommodation has its own character. Some are designed for families and groups who appreciate extra room to spread out. Others are made for couples, friends, or independent travellers who want an easy-going island base close to the beach. Whether your Maratua holiday is centred on diving, snorkelling, island hopping, or simply slowing down by the sea, this guide will help you choose the stay that suits you best.

Maratua is one of the most beautiful island destinations in East Kalimantan, Indonesia. Surrounded by the Derawan Archipelago, this tropical island is known for clear blue water, peaceful beaches, coral reefs, sea turtles, and unforgettable underwater views. For first-time visitors, Maratua snorkeling is one of the easiest ways to enjoy the island’s marine beauty without needing a diving certification.The best part is that snorkeling in Maratua Island can be as relaxed or adventurous as you want it to be. Some areas are suitable for calm reef exploration, while nearby islands such as Kakaban and Sangalaki offer unique marine experiences for travelers who want to join a guided boat trip. Maratua is also home to several recognized snorkeling and diving areas, including Jetty, Turtle Traffic, Mid Reef, Eel Garden, Hanging Garden, Cabbage Garden, and The Channel.

Maratua is one of those rare island destinations where the journey feels just as special as the arrival. Located in East Kalimantan, Indonesia, and surrounded by the wider Derawan Archipelago, Maratua is known for clear turquoise water, coral reefs, turtles, diving spots, and peaceful tropical scenery. For many travelers planning a marine adventure, one question often comes first: can you swim with whale sharks in Maratua?The answer is yes, travelers may have the opportunity to swim or snorkel with whale sharks during a Maratua holiday. However, this is a natural wildlife experience, not a guaranteed attraction. Sightings depend on season, sea conditions, local reports, and boat arrangements. For guests staying at Sienna Resort Maratua, a whale shark trip can become one of the most memorable highlights of an island escape, especially when combined with snorkeling, diving, island hopping, and relaxing resort moments.

From July 1st to September 15th, 2026, enjoy 15% off your stay along with complimentary experiences that will make your trip truly unforgettable: a snorkeling adventure at Small Fish Country and a photo session at the stunning Sentubung Sand Dune.

Nestled along the crystal-clear waters of Maratua Island, Nusa Cottage at Sienna Resort Maratua offers a refreshing new way to experience island living. Designed for comfort, simplicity, and connection with nature, this newly introduced accommodation blends modern convenience with the tranquil charm of a tropical escape. Whether you are seeking a romantic getaway, a diving adventure, or a peaceful retreat far from the crowds, Nusa Cottage provides the perfect setting to unwind and recharge.

For travelers seeking peace, privacy, and a deeper connection with nature, Maratua delivers an experience that feels remarkably close to having a private island, without the exclusivity price tag.

Feeling constantly tired, unmotivated, or mentally drained? You're not alone. Burnout has become a common part of modern life, especially for those living in fast-paced cities. The endless notifications, long working hours, and lack of real rest can slowly take a toll on your mind and body. Sometimes, what you really need is not just a short break, but a complete reset. And there’s no better place to do that than in a peaceful, untouched paradise like Sienna Resort Maratua.

Crystal-clear water, powerful ocean currents, and the electric flash of silver as a barracuda tornado forms beneath you. Welcome to Big Fish Country Maratua, one of Indonesia’s most thrilling pelagic dive destinations. Located within the spectacular Maratua Atoll in East Kalimantan, this world-class dive region has earned its name for a reason.For divers seeking sharks, schooling barracuda, giant trevally, and dramatic drift dives, Big Fish Country Maratua delivers unforgettable underwater action. Even better, many of the best dive sites are located just minutes from Sienna Resort Maratua, giving guests front-row access to some of the most exciting diving in Indonesia.

The first light of dawn stretches across turquoise waters, the horizon glowing softly over the Celebes Sea. A gentle breeze carries the scent of salt and freedom. This is not just another morning in Indonesia. This is the beginning of a fishing trip with Sienna Resort Maratua — an experience designed for true ocean lovers seeking both adventure and refined comfort.Located on the pristine shores of Maratua Island in East Kalimantan, within the spectacular Derawan Islands archipelago, Sienna Resort Maratua offers more than a tropical escape. It offers a deeper connection to the sea. For travelers who feel most alive surrounded by open water, a private fishing journey here becomes a highlight of their stay.

The Maratua whale shark experience is not just an adventure—it is a rare connection with nature in its purest form. Located far from mass tourism, Maratua Island is quickly emerging as one of Indonesia’s most exclusive destinations for swimming with whale sharks.

Far from Indonesia’s crowded dive destinations lies Maratua Island, a remote tropical haven where turquoise waters meet thriving coral reefs and unforgettable marine encounters. For travelers seeking a refined and intimate way to explore the underwater world, dive in Maratua offers something truly rare—untouched nature paired with quiet luxury. At Sienna Resort Maratua, every dive is designed to feel personal, unhurried, and deeply immersive.