Green Island Reef is a marine site featuring a reef and drop-off that descends from 10 to 40 metres. Divers experience visibility between 15 and 30 metres along the wall. Access is strictly by boat, and the site is suited for intermediate divers due to moderate currents and significant depths. Divers should maintain close proximity to the boat throughout the 45-minute dive. Species recorded around this area include wrasses, Ijima's sea snake, Clark's anemonefish, and various nudibranchs, angelfish, and triggerfish. Always check current conditions with your boat operator before descending, as water movement can accelerate significantly around the drop-off.

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.

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.

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.

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.

Ziping is a challenging drift dive located on the outer edge of the Green Island reef system. The site features a significant drop-off reaching depths of 60 metres, requiring careful depth management and neutral buoyancy. Due to the strong currents that run through the area, this site is strictly for advanced divers and requires boat access. Visibility can be variable, and divers must remain vigilant regarding surge, swell, and boat traffic. Local conditions can change rapidly, so it is essential to consult with your boat operator regarding the current flow before entry. Divers should plan air consumption conservatively and maintain close proximity to their buddy throughout the dive.

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.