Polytechnic Housereef in Manado Tua offers a diverse underwater environment combining natural reef, muck, and artificial structures. This shore-entry site is suitable for beginners, with depths ranging from 6 to 16 metres and an average of 12 metres. Visibility typically spans 10 to 30 metres. Divers should be aware that currents can be moderate to strong and may shift unexpectedly; planning dives around slack or incoming tides is recommended. The site is also accessible for night diving. Facilities on-site include parking, rinse stations, air fills, and gear storage. Species recorded around this area include Napoleon Wrasse, Giant Frogfish, Ornate Ghostpipefish, Indian Lionfish, and various nudibranchs.

City Extra is a mixed-habitat dive site located near Manado Tua, Indonesia, featuring a combination of muck, reef, and seagrass environments. Suitable for beginner divers, the site ranges from 5 to 20 metres in depth with an average of 15 metres. Visibility typically spans 10 to 25 metres, and water temperatures remain consistent between 29 and 30C. Access is by boat only. Divers should be aware of moderate currents and potential surge or swell, which can shift positions in shallow areas. Night diving is available, offering a different experience of the terrain. A typical dive lasts 45 minutes.

Miori Housereef in Manado Tua offers a diverse underwater environment combining natural reef, artificial structures, and muck diving. The site is accessible from the shore, with depths ranging from 2 to 25 metres and an average depth of 12 metres. Conditions are generally mild, featuring visibility between 10 and 30 metres and water temperatures of 29 to 30C. The site is suitable for beginners, though divers should exercise caution regarding sharp coral and rocks during entry and exit. Night diving is available, allowing for exploration of the reef after dark. On-site facilities include parking, toilets, showers, changing rooms, and a rinse station.

Manado Concrete Reef is an artificial structure located off Manado Tua, Indonesia, offering a mix of artificial, natural reef, and muck environments. The site sits at depths between 25 and 35 metres, with an average of 30 metres, making it suitable for intermediate divers with strong buoyancy control. Visibility typically ranges from 15 to 30 metres. Divers may encounter moderate currents that can intensify with tidal shifts, requiring careful planning around slack water. Entry is possible from both shore and boat. Due to active surface boat traffic, the use of a DSMB is recommended during ascent. Night diving is available at this location.

Bdc House Reef is a shallow shore dive located at Manado Tua, Indonesia. The site maintains a consistent depth of 6 metres, making it suitable for beginner divers. Conditions are generally calm with mild currents and water temperatures ranging between 29C and 30C throughout the year. Divers should be aware of the presence of stonefish in the area. The site is supported by a dive shop offering equipment rental, air fills, and rinse facilities, alongside amenities including showers, toilets, and a cafe. Access is straightforward from the shore, providing a convenient environment for those looking for a shallow, relaxed dive experience.

Tanjung Papaya in Manado Tua offers a shallow dive experience ranging from 3 to 6 metres. This site features a combination of natural reef, muck terrain, and an artificial reef structure constructed from old motorcycles. Divers can explore a field of Euphyllia torch corals across the site. Access is via a shore entry, making it suitable for beginners. Conditions are generally mild with visibility between 5 and 10 metres and water temperatures consistently between 29 and 30C. Night diving is permitted at this location. Hazards include potential entanglement, sharp coral, and the presence of stonefish. Typical dives last approximately 45 minutes.

Malalayang Beach is a popular shore-access site near Manado, featuring a mix of reef, muck, and artificial reef habitats on volcanic black sand. The site is well-suited for beginners, with depths ranging from 1 to 10 metres and an average depth of 5 metres. Conditions are generally mild, though visibility varies between 5 and 15 metres. Divers and snorkellers should be aware of boat traffic and sharp coral in the area. Facilities include parking, toilets, showers, rinse stations, equipment rental, and a dive shop. Species recorded around this area include ghost pipefish, frogfish, nudibranchs, moray eels, lionfish, and various reef fish.

Lumbalumba House Reef, located at Manado Tua, offers a diverse underwater environment featuring a combination of coral reef, artificial structures, seagrass beds, and sandy muck areas. Suitable for beginners, the site ranges from 2 to 18 metres in depth with an average of 14 metres. Divers and snorkellers can expect mild currents and visibility between 10 and 35 metres. Water temperatures remain warm at 28 to 30C, though occasional cooler thermoclines occur from October to December. Entry is via the shore, and the site supports night diving. Hazards include boat traffic, low visibility, and sharp coral. Species recorded around this area include Spotfin Lionfish, Broadclub Cuttlefish, and Painted Spiny Lobster.