Conservation efforts have paid off as coral reefs in Ha Long Bay have been strongly recovering.

Coral reefs at Coc Cheo beach have recovered and preserved.

Survey results on biodiversity in Ha Long Bay in 2015 proved there were 110 species of hard coral and 37 species of soft coral.

Some reefs with high numbers of species are Coc Cheo, Cong do, Ang Du, Cong Dam, Luoi Liem and Vung Vieng areas.

Coral reefs in Ha Long Bay have shown good signs of recovery, especially in terms of branched corals.

The coral reefs in Ha Long Bay are home to many different marine species.

Corals in the heart of Ha Long Bay cover many species with different colours and shapes, creating beautiful biotopes under the sea.

The large red coral reef at Coc Cheo beach has been preserved almost perfectly.

During low tides, coral reefs dazzle in the sun like a brilliant flower garden.