Sumatra is a large island in western Indonesia known for its stunning natural landscapes and rich cultural heritage. While not as well-known as some of Indonesia's other diving destinations, Sumatra offers a unique diving experience with a range of underwater environments to explore.

One of the best diving locations in Sumatra is Pulau Weh, a small volcanic island off the northern coast. Pulau Weh offers a variety of dive sites suitable for experienced divers, including deep walls, caves, and underwater pinnacles. The Batee Tokong dive site is a particular highlight, with an impressive pinnacle rising up from the depths and teeming with marine life.

For beginners, the Bangka Islands offer calm and shallow waters with plenty of colorful coral and fish to discover. The islands are also home to several wrecks, including a WWII-era Japanese patrol boat, which provide an interesting and accessible dive experience.

Sumatra's underwater world is home to a wide variety of marine life, including numerous species of reef fish, sharks, rays, and turtles. The area is also known for its vibrant coral gardens and interesting macro life, such as nudibranchs and seahorses.

Diving conditions in Sumatra can vary depending on the location and time of year. Generally, the dry season from May to September offers the calmest and clearest conditions, while the wet season from November to March can bring rougher seas and reduced visibility.

The cost of scuba diving in Sumatra can vary depending on the location and operator. As a general guide, expect to pay between $50-100 USD for a single dive, with discounts available for multiple dives. Equipment rental is usually available but may incur an additional fee.