About Riau Archipelago
The Riau Archipelago is a group of islands in eastern Sumatra that form part of Indonesia’s Riau Islands province, lying in the South China Sea and the Singapore Strait region. The cluster includes both heavily urbanized islands and smaller rural or uninhabited islets, and it functions economically as a mix of industry, ports, and tourism.
Key islands such as Batam and Bintan are the most developed and linked by regular ferry services to neighboring countries; many smaller islands are low and coral-based with mangroves and fishing communities. Maritime routes through the archipelago are busy, and international ferry connections to Singapore and Malaysia are common.
The Riau Archipelago occupies waters off the east coast of Sumatra and directly south of Singapore and the Malay Peninsula. The island group forms part of Indonesia’s Riau Islands province and sits within a tropical maritime climate, accessed from the regional airports and ferry terminals of Batam and Bintan.
- Location to Singapore: The archipelago sits directly south of Singapore and east of the Malay Peninsula, making several islands part of cross-border ferry routes and regional shipping lanes.
- Island types and uses: The Riau Archipelago comprises many low-lying coral and volcanic islands; economic activity ranges from urban industry on Batam to tourism and fishing on other islands.
What to See#
- Batam: Batam is one of the largest and most developed islands in the archipelago, located close to Singapore and serving as an industrial and ferry hub.
- Bintan: Bintan is a larger island to the east with resort areas and the provincial capital of Tanjung Pinang on its shores, acting as a cultural and administrative center for the region.
Tips for Visiting Riau Archipelago
- Visit in the dry season (roughly May-September) for calmer seas and more reliable inter‑island ferry services.
- Use the main ferry connections to Batam and Bintan from Singapore (HarbourFront/Tanah Merah) as your gateway, then book local operators or scheduled services for travel between smaller islands.
- If you plan to reach outer or less‑served isles, pre‑book transfers with licensed local operators - many smaller routes run infrequently and are weather dependent, so confirm times the day before departure.
Best Time to Visit Riau Archipelago
Visit during the drier months (May-October) for more reliable sea conditions and outdoor activities.
Weather & Climate near Riau Archipelago
Tropical climate with consistently warm temperatures year-round. Temperatures range from 23°C to 31°C. Heavy rainfall (2282 mm/year), wettest in December.
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | Good | 23° - 28° | 26° | 213 mm | overcast | 85% | 2.5 m/s | 1.8 very high | 12.0h |
| February | Good | 23° - 29° | 26° | 146 mm | overcast | 83% | 2.7 m/s | 2.1 extreme | 12.0h |
| March | Good | 23° - 30° | 27° | 174 mm | overcast | 81% | 2.0 m/s | 2.1 extreme | 12.0h |
| April | Good | 23° - 30° | 27° | 204 mm | overcast | 79% | 1.7 m/s | 2.0 extreme | 12.0h |
| May | Good | 24° - 31° | 30° | 186 mm | overcast | 80% | 1.7 m/s | 1.8 very high | 12.0h |
| June | Good | 24° - 30° | 30° | 155 mm | overcast | 80% | 1.9 m/s | 1.7 very high | 12.0h |
| July | Good | 24° - 30° | 27° | 155 mm | overcast | 81% | 2.1 m/s | 1.7 very high | 12.0h |
| August | Good | 24° - 30° | 27° | 167 mm | overcast | 81% | 2.2 m/s | 1.8 very high | 12.0h |
| September | Good | 24° - 30° | 27° | 173 mm | overcast | 80% | 2.2 m/s | 1.8 very high | 12.0h |
| October | Good | 23° - 30° | 27° | 203 mm | overcast | 79% | 1.9 m/s | 1.8 very high | 12.0h |
| November | Good | 23° - 29° | 26° | 250 mm | overcast | 82% | 1.7 m/s | 1.7 very high | 12.0h |
| December | Good | 23° - 28° | 26° | 256 mm | overcast | 85% | 2.0 m/s | 1.7 very high | 12.0h |
Riau Islands FAQs
Where are the Riau Islands?
Just south of Singapore, between Sumatra and Borneo. Batam, the largest city, is only 6 km across the Singapore Strait. The wider province stretches north to the remote Anambas and Natuna Islands in the South China Sea, and spans about 2,400 islands in all. About the islands
Are the Riau Islands the same as Riau province?
No. The Riau Islands (Kepulauan Riau) became a separate province in 2002, split from Riau province on mainland Sumatra. Its capital is Tanjung Pinang on Bintan, and its largest city is Batam. The Riau Archipelago is the island cluster closest to Singapore, which is where most visitors go. About the islands
Which Riau island should I visit?
Batam is the busy, cheap one: seafood, golf, spas and weekend shopping close to Singapore. Bintan is for beach resorts at Lagoi and the old town of Tanjung Pinang, with a boat to Penyengat Island. The quieter Lingga Islands suit slow island-hopping. About the islands
When is the best time to visit the Riau Islands?
May to October, the drier months, when seas are calmer, diving visibility is better and inter-island ferries run more reliably. November to April is wetter, with December the rainiest month, and storms can disrupt boats. Temperatures stay around 23-31°C all year. Best time
How do you get to the Riau Islands from Singapore?
By ferry. Boats leave Singapore’s HarbourFront and Tanah Merah terminals for Batam’s five ports (including Batam Centre, Harbour Bay and Nongsapura) in about an hour. Bintan’s resort port at Lagoi is served from Tanah Merah, and Tanjung Pinang has its own ferries. Book ahead on weekends and holidays. Getting there
Is there an airport in the Riau Islands?
Yes. Hang Nadim International Airport (BTH) on Batam is the main one, with domestic flights to Jakarta and other Indonesian cities, and it is often cheaper than flying from Singapore. Tanjung Pinang on Bintan also has an airport. Most international visitors still arrive by ferry from Singapore. Getting there
How do you travel between the Riau Islands?
By scheduled ferry and speedboat between Batam, Bintan and Tanjung Pinang, which are the best connected. Services to smaller and outer islands are less frequent and can be cancelled in rough weather, so pre-book transfers with licensed local operators and leave slack in your plans. Tips
Do I need a visa for the Riau Islands?
The Riau Islands follow Indonesia’s rules. ASEAN passports are visa-free; most Western passports need a 30-day visa on arrival or e-VOA (500,000 IDR), which the main Batam and Bintan ferry terminals handle. Fill in the free All Indonesia arrival card within 3 days of arrival. Indonesia visas
Can you do a day trip to Batam from Singapore?
Yes, it is one of the most popular day trips from Singapore: about an hour each way by ferry, with seafood lunches, spas and shopping at much lower prices. Bring your passport, allow time for immigration on both sides, and check the last return ferry. Getting there
