Oedolgae, located near Munseom, is a reef and pinnacle site characterised by an S-shaped seabed that gradually deepens. The topography features rows of large, deformed rocks and bedrock surfaces covered in soft corals, including cockscomb, long-branched pine, and white pine. Divers must access this site by boat. Depths range from 8 to 28 metres, with visibility typically between 5 and 10 metres. Due to moderate currents, cold water temperatures, and depths, this site is suited for advanced divers. Dry suits, gloves, and hoods are recommended. Species recorded around this area include wrasses, various nudibranchs, lionfish, anemonefish, and pufferfish.

Munseom is a diverse marine site located 1500 metres off the coast of Seogwipo, Jeju Island. This location offers a variety of underwater topography including reefs, walls, and artificial structures, alongside wreck sites. Divers must access the area by boat due to the distance from shore and the presence of strong currents. Conditions vary significantly, with visibility ranging from 5 to 20 metres and water temperatures between 15C and 23C. Given the depths of 10 to 60 metres and the potential for strong currents, this site is suited for intermediate divers. Hazards include boat traffic, deep water, jellyfish, and overhead environments.

Seopseom Jageunhangaechang is a reef site located off Seopseom, South Korea. The site features a variety of underwater topography within shallow depths, reaching a maximum of 15 metres. It is accessible via both shore and boat entries, offering flexible diving options for intermediate divers. Water temperatures fluctuate throughout the year, ranging from 16C in the winter to 26C in September. Species recorded around this area include wrasses, pufferfish, boxfish, and various nudibranchs, alongside cardinalfish and anemonefish. The site provides a range of features to explore in an accessible marine environment.

Seopseom is a wall dive site located 3km offshore from Seogwipo Port. The island is characterised by a 50-metre-long columnar joint formation located at the back of the island. Divers can explore depths reaching 40 metres. Access to this site is by boat only. Conditions are variable, with moderate currents present, and divers should be aware of boat traffic in the area. Due to the depth and current conditions, this site is suitable for intermediate divers. There is no specific marine life data available for this location.

Lobster Crack in Seogwipo is a cavern dive site defined by its canyon terrain. Divers navigate through cracks in the rock formations, which are populated by soft corals. The site reaches depths of up to 30 metres and is strictly for advanced divers due to the presence of strong currents. Water temperatures fluctuate between 16C and 23C throughout the year, with visibility typically ranging from 5 to 10 metres. Access to this site is by boat only. Hazards include cold water, low visibility, and strong currents, requiring careful planning and experience in challenging marine conditions.