Indonesia is a dream destination for divers, with thousands of islands, warm tropical waters, colourful reefs, and marine encounters that can turn an ordinary holiday into an unforgettable underwater adventure. Yet when planning a scuba escape, the question is not simply where to dive. It is also where to stay, how easily you can reach the dive sites, and whether your entire journey feels relaxed from the moment you arrive.That is why choosing one of the right PADI dive resorts in Indonesia matters.For travellers looking beyond the busiest dive destinations, Maratua Island offers something special: a remote island atmosphere, beautiful beaches, memorable marine life, and access to some of the Derawan Archipelago’s most exciting underwater environments. At Sienna Resort Maratua, guests can combine a tropical stay with guided diving, snorkeling, island experiences, and the comfort of a resort designed around the rhythm of the sea.

Explore Sienna Resort Maratua from every angle through our immersive 360° island view. Discover turquoise waters, tropical scenery, comfortable villas, and the peaceful atmosphere of your future island escape.

Explore Sienna Resort Maratua from every angle through our immersive 360° island view. Discover turquoise waters, tropical scenery, comfortable villas, and the peaceful atmosphere of your future island escape.

A great dive holiday should feel simple from the moment you arrive. Instead of organising accommodation, dive boats, equipment, guides, and daily activities separately, you can stay somewhere designed around the sea and spend more time enjoying it.So, what is a PADI Dive Resort?A PADI Dive Resort is a dive operation created for travelling scuba divers and snorkellers. It typically combines guided diving, scuba instruction, snorkelling excursions, equipment rental, and water activities with accommodation at—or close to—a resort destination. For guests, it offers an easier way to plan a dive holiday, whether you are trying scuba diving for the first time or returning for another unforgettable underwater adventure.At Sienna Resort Maratua, we believe a dive holiday should be as relaxing above the surface as it is exciting below it. Our private island setting brings together comfortable accommodation, a PADI dive centre, guided dive experiences, snorkelling opportunities, and the natural beauty of Maratua Island.

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.