Across the Tuamotu and Gambier archipelagos, lagoons are more than postcard scenery. They are productive maritime spaces supporting pearl farms, fisheries, tourism and isolated communities.
French Polynesia’s atolls are usually presented through images of coral reefs, narrow strips of land and turquoise lagoons. Behind this familiar visual identity lies a working maritime economy shaped by distance, limited infrastructure and dependence on healthy marine ecosystems.
Black pearl farming, lagoon fishing, offshore tuna fisheries, aquaculture and marine tourism all generate income from the sea. Cargo vessels, meanwhile, connect remote communities with markets, fuel, food and public services concentrated in Tahiti.
These activities operate across an immense ocean territory. French Polynesia has an Exclusive Economic Zone of approximately 5.5 million square kilometres, despite possessing only about 4,000 square kilometres of land. The Tuamotu Archipelago alone comprises nearly 80 atolls distributed over a vast area of the South Pacific.
This geography provides access to valuable maritime resources, but it also raises transport costs and limits local markets. The central economic challenge is therefore not simply to produce more. It is to retain more value within island communities while protecting the lagoons and reefs on which production depends.
French Polynesia’s atolls are working maritime territories
An atoll lagoon can function simultaneously as a fishing ground, an aquaculture site, a navigation area and a tourism asset. Passes through the surrounding reef provide access to the open ocean, while sheltered waters support oyster farms, fish traps, anchorages and small-vessel operations.
These uses are closely connected. Clean water supports pearl-oyster growth and coral health. Coral ecosystems provide habitat for fish. Marine biodiversity attracts divers and other visitors. Safe channels allow people, equipment and local products to move between settlements and transport vessels.
Damage to one part of the lagoon economy can therefore affect several industries. Pollution from waste or abandoned aquaculture equipment may reduce water quality, obstruct navigation and weaken the environmental image promoted by tourism operators.
Atolls also have very little land available for agriculture, industrial activity, storage or waste treatment. Marine resources and imported products consequently play a greater role than on larger volcanic islands such as Tahiti.
According to French Polynesia’s agricultural census, the Tuamotu-Gambier subdivision accounted for less than 2% of the territory’s cultivated plant area in 2023. Fishing, aquaculture and maritime transport are not supplementary activities in this context. They are central to local economic and food systems.
Remoteness places transport at the centre of the economy
Most businesses operating in the atolls remain dependent on Papeete for fuel, equipment, building materials, administrative services and access to export markets. Transport costs are therefore built into the price of almost every product or service.
A pearl farmer must import ropes, buoys and specialised equipment. A guesthouse requires food, construction materials and energy supplies. Fish intended for sale outside the island must be stored and transported under controlled conditions.
In 2024, nearly 70,000 tonnes of freight were transported between Papeete and the Tuamotu-Gambier maritime zones, according to statistics published by the French Polynesian Maritime Affairs Directorate.
Most cargo travelled from Tahiti towards the islands, demonstrating their dependence on imported goods. Return freight was much smaller and consisted partly of locally produced commodities such as copra.
The reliability of inter-island shipping is therefore as important as the volume of production itself. Delays, breakdowns or reduced services can interrupt tourism, construction, food distribution and marine industries.
For remote atolls, a cargo vessel is not merely a transport service. It is a supply chain, a market connection and an essential public utility.
Geographic disparities also matter. Atolls in the western Tuamotu generally benefit from more frequent links than islands in the central, eastern or north-eastern sectors. Economic opportunities are partly determined by how often a vessel or aircraft can reach a community.
Black pearl farming remains the flagship lagoon industry
The cultivation of the black-lipped pearl oyster, Pinctada margaritifera, is the maritime industry most closely associated with French Polynesia’s atolls.
Pearl farms generate employment in oyster collection, grafting, maintenance, harvesting, grading and trade. In communities with few private-sector alternatives, the sector can provide both direct income and opportunities for specialised local expertise.
French Polynesia produced approximately 6.5 million raw cultured pearls in 2024. The Tuamotu accounted for around 72% of production, while the Gambier Islands supplied a further 23%, according to the 2024 economic report published by the Institut d’émission d’outre-mer.
Production is particularly concentrated around atolls such as Arutua, Apataki and Ahe. The Tuamotu-Gambier region as a whole represents the overwhelming majority of French Polynesia’s pearl output.
The industry is valuable, but it is exposed to considerable volatility. Pearls are luxury products whose prices depend on quality, grading, international demand and shipment schedules.
Exports of raw cultured pearls were valued at approximately CFP 6.98 billion in 2024, a sharp decline from the exceptional level recorded in 2023. The decrease in export value did not necessarily correspond to an equivalent fall in physical production. It also reflected market conditions and the timing of overseas sales.
This volatility demonstrates the risks of relying heavily on a single high-value commodity. Increasing production does not automatically increase income if prices weaken or quality declines.
Managing pearl farms means managing the lagoon
French Polynesia introduced a production limit of 2,500 pearls per authorised hectare from 2023. The measure was designed to improve control over production while supporting environmental and commercial quality.
Official information published in 2025 recorded 7,566 hectares authorised for pearl-oyster farming and grafting, with activity spread across approximately 25 islands. The administration listed 327 pearl-product producers and 404 pearl-oyster producers, although the two categories may overlap.
The long-term health of the industry depends on more than quotas. Decades of pearl farming have left ropes, collectors, baskets and other materials on the seabed of some lagoons.
Between 2022 and 2025, the Direction des ressources marines surveyed more than 5,000 hectares across 14 islands using sonar and digital mapping. Tens of thousands of submerged objects and lines were identified.
Abandoned material represents both an environmental problem and an economic liability. It may damage habitats, interfere with navigation and require expensive removal. It can also weaken the image of a product marketed internationally through its association with pristine Polynesian waters.
Protecting the lagoon is therefore part of protecting the pearl industry itself.
Fisheries connect food security with export ambitions
French Polynesia’s fisheries extend from local lagoons to deep ocean waters. Offshore and coastal fish production reached a record 11,194 tonnes in 2024.
Approximately 8,790 tonnes came from the longline fleet, while coastal vessels produced 2,404 tonnes. Albacore tuna was the main species, accompanied by yellowfin, bigeye and other pelagic fish.
Fish exports reached 1,817 tonnes and were valued at about CFP 2.3 billion. However, larger catches do not always translate into stronger profits. French Polynesian albacore competes with production from other Pacific fishing states, while the domestic market can absorb only a limited quantity.
Cold storage, processing and product diversification are therefore becoming increasingly important. Converting fish into frozen portions, prepared products or preserves may allow producers to retain more value than through the export of unprocessed catches.
Lagoon fishing has a different but equally important role. Much of its production is consumed locally, shared within communities or traded informally. Its total economic contribution is consequently difficult to measure through conventional statistics.
For isolated atolls, however, locally caught fish reduces dependence on imported food and strengthens household resilience. Economic value cannot be assessed solely through formal export earnings.
Aquaculture offers potential, but not guaranteed growth
Beyond pearl farming, French Polynesia is exploring other forms of aquaculture. Research programmes have examined rock oysters, sea cucumbers, giant clams, sea urchins and the lagoon fish Platax orbicularis.
Ifremer’s aquaculture research in French Polynesia aims to identify species and production methods suited to local environmental conditions.
Some species could support small-scale production with fewer imported inputs than intensive fish farming. Sea cucumbers and shellfish may also serve specialised regional or Asian markets.
Yet experimental success does not automatically create a viable industry. Commercial development depends on survival rates, access to juvenile stock, transport, processing, regulation and reliable demand.
For atoll communities, the most appropriate projects may be those that can operate at a modest scale, use local knowledge and avoid placing excessive pressure on lagoon ecosystems.
Marine tourism converts ecosystems into local income
Tourism provides another means of generating value from the lagoons without extracting large quantities of marine resources.
Rangiroa, Fakarava, Tikehau and several other atolls are internationally known for diving, snorkelling, sailing and wildlife observation. Tourism supports guesthouses, dive centres, guides, restaurants, boat operators and local craft producers.
French Polynesia received a record 281,227 tourists in 2025, according to the Institut de la statistique de la Polynésie française. The figure covers the entire territory and cannot be attributed to the atolls alone, but it points to continued growth in international demand.
The atoll tourism economy is more dispersed than the hotel industry of Tahiti, Moorea or Bora Bora. Family-owned guesthouses and small operators play a larger role, which can help retain expenditure within local communities.
Growth also brings pressure. Visitors increase demand for freshwater, electricity, imported food, transport and waste treatment. Diving, anchoring and boating may affect sensitive reef areas when activity is poorly managed.
The economic value of tourism therefore depends on the capacity of each island to match visitor numbers with infrastructure and environmental limits.
Climate change is already an economic risk
The natural capital supporting atoll economies is increasingly exposed to ocean warming, acidification, sea-level rise and extreme weather.
Low-lying islands are particularly vulnerable because homes, roads, airports and commercial infrastructure are concentrated close to the shoreline. Coastal erosion or flooding can disrupt transport and require expensive public investment.Marine heatwaves also affect economic species directly. During an intense warming event in Reao lagoon in March 2024, researchers documented extensive bleaching among corals and giant clams.
Laboratory studies have found that pearl-oyster larvae experience severe thermal stress when water temperatures rise above approximately 29.3°C. Ifremer’s research on marine heatwaves has linked extreme temperatures to reductions in coral, giant-clam and pearl-oyster biomass.
These changes are not distant environmental scenarios. They can influence pearl production, fisheries, tourism revenue and the cost of maintaining island infrastructure.
A blue economy must retain more value locally
The future of French Polynesia’s atolls will depend on how successfully maritime activity is connected to local development.
Reliable inter-island shipping remains essential. So do cold storage, processing facilities, scientific monitoring, vocational training and effective waste recovery.
Local participation in the management of fishing grounds and lagoon concessions can improve compliance while ensuring that regulations reflect the realities of individual islands. Greater processing of fish and pearl products could also reduce dependence on volatile raw-material markets.
Diversification is important, but it does not mean placing every possible activity inside the same lagoon. Atolls have different ecosystems, transport links and demographic conditions. Development strategies must therefore be adapted to local carrying capacity rather than applied uniformly across the territory.
The economic future of French Polynesia’s atolls will not be secured by extracting the maximum quantity of pearls, fish or tourism revenue from each lagoon. It will depend on protecting productive ecosystems, improving maritime connectivity and retaining a larger share of value within island communities.
In these remote territories, environmental resilience is not separate from economic prosperity. It is the foundation on which the entire maritime economy rests.
