Shark Point at Green Island is a challenging site featuring a mix of reef, pinnacles, and artificial structures. The topography drops from 18 to 37 metres, with depths reaching 60 metres in some areas. Divers experience strong currents, making this an advanced drift dive requiring careful monitoring of depth and conditions. Visibility is excellent, typically ranging between 30 and 40 metres. Entry is possible from both shore and boat, though shore entries require caution due to surf and sea urchins in the shallows. Guided tours are recommended to navigate the shifting currents and local conditions effectively.

Steel Reef is an artificial reef structure located 500 metres off the coast of Green Island, Taiwan. This site is accessible only by boat and is suited for intermediate divers and snorkellers. The reef sits at a consistent depth of 12 metres. Conditions at the site are variable, with visibility ranging from 10 to 25 metres and moderate currents. Divers should be aware of potential hazards including surge, jellyfish, stonefish, and sharp coral. Typical dives at this location last approximately 45 minutes. Water temperatures remain warm throughout the year, fluctuating between 25 and 30 degrees Celsius.

Ma-Ti Bridge is a reef dive site located 50 metres from the shore of Green Island, Taiwan. Divers typically experience a depth of 11 metres with mild currents and visibility ranging between 10 and 20 metres. The site is suitable for beginners and supports night diving, with an average dive duration of 45 minutes. Entry is via the shore. Hazards at this location include sea urchins, sharp coral, and surge. Water temperatures fluctuate between 25C and 30C throughout the year. As a reef environment, the site features typical marine topography, though specific marine life observations are not recorded for this location.

Dabaisha is a reef site located 1000 metres offshore from Green Island, Taiwan. Accessible only by boat, the site features an average depth of 11 metres, ranging between 8 and 14 metres. Divers can expect moderate currents and visibility between 10 and 20 metres. The reef supports a variety of marine life, including wrasses, Moorish idols, and starry puffers. Other species recorded here include regal angelfish, semicircle angelfish, golden butterflyfish, bluespine unicornfish, redlip parrotfish, and Ijima's sea snake. Night diving is available at this location. Hazards include jellyfish, sea urchins, and sharp coral. Typical dive times are approximately 50 minutes, and the site is suitable for beginners.

Great White Sand is a marine dive site located off Green Island, Taiwan. The reef structure extends from 15 metres down to 30 metres, offering a range of depths for divers. The site is accessible via both boat and shore entry. Visibility at the site varies between 10 and 30 metres. Water temperatures remain consistent throughout the year, ranging from 25 to 29 degrees Celsius. Divers should use appropriate thermal protection and exercise caution to avoid entanglement when navigating the reef structure. As conditions can vary, it is recommended to check locally for current facility availability on Green Island before planning a dive.

Dabai-sha is a reef site located on the fringe of Green Island, Taiwan. Accessible directly from the shore, the site features depths reaching 32 metres, requiring careful gas management and awareness of decompression risks. Divers encounter moderate currents and visibility ranging from 10 to 20 metres. Water temperatures remain between 25 and 30 degrees Celsius throughout the year. Hazards include surge and swell near the entry point, which can push divers against sharp coral or rock. Boat traffic is present in the area, necessitating the use of a safety sausage upon surfacing. Guided tours and air fills are available at the on-site dive shop.

Electric Pole Reef at Green Island features a unique combination of natural reef and an artificial structure built around a submerged wire pole. The site reaches depths of 16 to 25 metres, with an average of 23 metres, making it accessible for beginner divers. Visibility typically ranges from 10 to 30 metres, and currents are generally mild. Divers can encounter wrasses, which are very common, alongside uncommon species such as spotfin lionfish, regal angelfish, and various nudibranchs. Boat access is required to reach the site. Divers should exercise caution regarding sharp coral and rocks, and be aware of sea urchins on the seabed.

Shilang is a reef site located off Green Island, Taiwan, near the town of Shih-Lang. The site features a sandy bottom at 11 metres, where a steel structure housing an underwater mailbox and a heart-shaped sculpture are located. Divers can access the site via shore or boat entry. Depths typically range between 10 and 18 metres, with an average depth of 10 metres. Visibility is variable, ranging from 10 to 40 metres, and currents are generally moderate. The site is suitable for beginner divers. Hazards include jellyfish, sharp coral, and stonefish.