Bonaire Salt Flats and Flamingo Sanctuary

Bonaire's salt flats are the island's most internationally recognised natural feature: a vast grid of shallow crystallising ponds stretching south from the village of Gotomechi along a beach known for its distinctive pinkish cast. Solar evaporation has been used to produce commercial salt here since the 16th century and the salt company remains partially operational today, its bright white salt hills visible from the coastal road. The series of ponds, reservoirs and crystallising pans create a mosaic of vivid colours — chalky white where salt has recently formed, deep pink where halophilic algae bloom in the hypersaline water, pale blue where the water is still relatively fresh, and dark purple where the brine is most concentrated. On a sunny morning the colour contrast between the ponds and the turquoise Caribbean sea beyond the causeway is startling and photographic.

The pink colour in the most brine-concentrated ponds is produced by a halophilic algae — Dunaliella salina — that synthesises beta-carotene as a biological UV protectant in the extreme saline environment. Caribbean flamingos feed on the brine shrimp (Artemia salina) that thrive in the same conditions; their vivid pink plumage is a direct result of the carotenoid pigments in the shrimp. The spectacle of several hundred flamingos standing in the pink ponds with the white salt crusts behind them and the blue sea beyond is one of the most photographed natural scenes in the entire Dutch Caribbean. The birds are not tame but they are accustomed to observers on the boardwalks and will continue feeding and preening at distances of thirty to fifty metres.

Large colonies of Caribbean flamingos use the sanctuary as a breeding ground, producing some of the most robust populations in the entire Caribbean region — a fact that surprises many visitors who associate flamingos primarily with the Bahamas or with captive zoo exhibits. The salt company continues to produce salt commercially on the southern section of the flat while a substantial portion of the northern section is a protected wildlife refuge where flamingos nest undisturbed on artificial islands built specifically for them. The entire southern lagoon, including both the commercial salt works and the wildlife sanctuary, has been designated a Ramsar Wetland of International Importance, an internationally recognised status indicating the site is globally significant for migratory waterfowl populations.

A small visitor centre near the sanctuary entrance explains the dual process of industrial salt production and flamingo ecology, with panels showing the annual cycle of the birds and the salt-making calendar. The most rewarding views are from the elevated boardwalks overlooking the sanctuary, which allow close observation of the birds without disturbing them. The site is best visited in the morning or late afternoon when the light is soft and the flamingos are most active and visible. Bonaire's broader distinction as one of the first islands in the entire Caribbean to establish marine protected areas — its marine park dates from 1979 — underscores the island's serious and long-standing approach to environmental stewardship, and the flamingo sanctuary is perhaps the most visible symbol of that commitment.

One of the largest Caribbean flamingo breeding colonies in the region, visible year-round from purpose-built boardwalks.

The visual drama of pink salt ponds, white crusts and vivid blue sky in the bright equatorial light.

A rare combination of living commercial salt works and formally protected wildlife habitat in one continuous landscape.