Sental is a technical dive site located in Padang Bai, Indonesia, characterised by a significant drop-off. This site is strictly for technical divers due to its extreme depth of 250 metres. Access is by boat only, and divers must be prepared for strong currents. Visibility typically ranges between 15 and 30 metres. Water temperatures generally fluctuate between 23 and 26°C, though upwelling can cause temperatures to drop to 16-20°C, particularly between June and October. Given the depth and conditions, divers must manage risks associated with decompression, nitrogen narcosis, and the challenging current environment.

Nusa Dua Reef in Padang Bai is a shallow reef system suitable for beginner divers and open water training. The site features depths ranging from 2 to 15 metres, with an average depth of 11 metres. Access is by boat, and divers should remain aware of boat traffic in the area. Conditions are generally mild, with visibility varying between 5 and 25 metres and water temperatures ranging from 25 to 29C. The site is also available for night diving. Facilities at the location include parking, rinse stations, air fills, equipment rental, and guided tours.

Sanur Reef in Padang Bai is a shallow shore-entry site suitable for beginner divers. The reef reaches depths of approximately 5 metres, providing a calm environment for buoyancy practice. Conditions are generally mild, though visibility is variable, ranging from 5 to 40 metres. Due to the potential for low visibility, assessing conditions before entry is recommended. Water temperatures remain between 26 and 29C throughout the year. Facilities at the site include parking, showers, changing rooms, and a cafe. Species recorded around this area include snowflake moray, sea krait, zebra lionfish, wrasses, chocolate chip sea star, triggerfish, sea slugs, porcupinefish, vagabond butterflyfish, orangestripe triggerfish, moorish idol, blackback anemonefish, bluestreak cleaner wrasse, and brownsaddle clownfish.

Tanjung Benoa is a marine site located 500 metres offshore from Padang Bai, Indonesia. This reef and artificial reef site is suitable for beginners, with depths ranging from 3 to 18 metres and an average depth of 10 metres. Access is by boat only, and divers typically experience mild currents. Visibility at the site varies between 5 and 15 metres, with water temperatures fluctuating between 25C and 29C throughout the year. Hazards to be aware of include jellyfish, sea urchins, and sharp coral. Facilities available at the location include air fills, guided tours, and gear storage.

Basuka Dive and Water Sport provides boat-access diving across a combination of natural reef and artificial reef structures. Located in Padang Bai, the site features mild currents and water temperatures ranging from 26C to 29C, making it suitable for less experienced divers. Visibility at the site is variable, so checking local conditions is recommended to select a day with clearer water. The site operates year-round, supported by shore facilities including parking, toilets, showers, changing rooms, and a rinse station. Guided tours and air fills are available on-site for those planning a dive.

Mertasari Beach in Sanur offers a combination of seagrass meadows and small coral outcrops. This site is suitable for beginners, with depths ranging from 3 to 20 metres. Divers and snorkellers access the water directly from the shore. Conditions are generally mild, with visibility typically between 5 and 15 metres and water temperatures fluctuating from 26C to 29C throughout the year. Night diving is available at this location. Facilities provided at the site include parking, toilets, showers, changing rooms, a rinse station, a cafe, and a dive shop. Be aware that sharp coral is present in the area.

Sanur Channel is a reef site in Padang Bai, Indonesia, offering an approachable environment for both divers and snorkellers. The site features depths ranging from 5 to 16 metres, with an average of 11 metres. Divers experience mild currents and visibility typically between 10 and 20 metres. The site is accessible via both shore and boat entry, making it suitable for beginners. Water temperatures fluctuate between 25 and 29 degrees Celsius throughout the year. On-site facilities include a dive shop, air fills, guided tours, and boat charters. A typical dive lasts approximately 45 minutes.

Cemara Beach Lagoon in Padang Bai is a shallow coastal site featuring a mix of sandy patches, seagrass beds, and small coral clusters. Located between Mertasari and Karang Beach, the lagoon remains accessible for snorkeling even at low tide. The site is suitable for beginners, with depths ranging from 1 to 5 metres and an average of 3 metres. Entry is from the shore, and conditions typically involve mild currents and visibility between 5 and 15 metres. Water temperatures remain warm throughout the year, ranging from 27C to 29C. Divers and snorkellers should be aware of boat traffic, sea urchins, and sharp coral in the area.