Overview

Ambergris Caye is the largest island of Belize, located off the northeast coast in the Caribbean Sea. It is administered as part of the Belize District and lies close to the mainland area of the Corozal District. The word caye (pronounced "key") denotes a low island or sand cay. The island’s English name refers to lumps of ambergris that historically washed ashore here; it is a long, narrow island of mostly sandy rim and interior mangrove wetlands.

Geography and climate

Ambergris Caye stretches roughly 40 kilometres from north to south and is usually only a kilometre or two wide. Its coastal margin consists of white sand beaches backed by mangrove forest and brackish swamp in the interior. Offshore, seagrass beds and coral formations lie close to the shore, directly adjacent to the Belize Barrier Reef, one of the world’s largest coral reef systems. The island experiences a tropical climate with a wet and a dry season, and warm temperatures year-round.

History and culture

There is archaeological evidence of Pre‑Columbian Maya use of Ambergris Caye and nearby cayes; pottery and other remains indicate the islands were part of wider coastal and maritime networks. In later centuries the island supported fishing communities and a modest trading presence; in the 20th and 21st centuries tourism and recreational fishing became dominant economic drivers. The island retains a mixture of Creole, Mestizo and other Belizean cultural influences, visible in local food, music and festivals.

Settlements and population

The principal settlement is San Pedro Town, the island’s largest town and service centre for visitors and residents. Smaller villages, fishing camps and resort developments are scattered along the coast. Local life revolves around fishing, tourism services and small-scale trade.

Economy and tourism

Tourism is the island’s primary economic activity. Visitors come for scuba diving, snorkeling, sport fishing, birdwatching and beach recreation. The proximity of the reef and easy access to well-known marine sites support dive shops, tour operators, guesthouses and restaurants. Local fisheries, including traditional harvests of lobster and conch, remain important to community livelihoods.

Notable sites and marine attractions

  • Access to the Belize Barrier Reef, including protected pockets of coral and marine life.
  • Popular dive destinations and shallow coral gardens; many visitors also travel to areas renowned for rays and reef fish.
  • Beaches and mangrove habitats that support birdlife and nursery grounds for fisheries.
  • Comparative reef context: the Belize reef is second only to Australia’s Great Barrier Reef in scale.

Transport and access

Ambergris Caye is served by regular water taxis and private boats from mainland ports and by short domestic flights to the island’s airstrip. Once on the island, travel is often by golf cart, bicycle or small truck rather than large vehicles, reflecting the narrow roads and village layouts.

Conservation and management

Conservation efforts focus on protecting reef health, managing fisheries and conserving mangrove and seagrass habitats that buffer the shoreline. National authorities, local organisations and tourism operators collaborate on marine reserves, visitor guidelines and community-based initiatives to promote sustainable use of natural resources.

Practical information

Visitors should plan for tropical weather, respect marine protected areas and local regulations, and support responsible operators that follow conservation practices. For maps and official references consult island maps and travel guides (map), country context (Belize), coastal and habitat information (mangrove), and local administrative resources (Belize District, Corozal).