Its prominent point is characterised by driftwood deposits and becomes nearly submerged during high tides, with a navigational beacon that may be obscured by dense tree cover.

Some colonies are large and well-established, reflecting significant growth over the past 37–40 years, with fluorescent bands in Porites lutea cores providing additional evidence of the site's ecological history.

[7] The area's stable salinity levels, consistently exceeding 30.3 ppt even during the wet northeast monsoon season, further contribute to coral resilience.

[6] In addition to its coral habitats, Pelumpong Island's marine environment includes seagrass meadows, which serve as critical feeding grounds for the endangered dugong.

[8] Pelumpong Island's aquaculture sector, especially its 122-hectare offshore fish cage culture farm, has a major positive impact on the local economy.

Pelumpong Island's economic significance in Brunei's fisheries industry is increased by expansion plans, such as oyster breeding, which show continued growth and diversification initiatives.