Sometimes the scent arrives before the island itself. Taha'a, in the Leeward Islands of French Polynesia, grows vanilla beneath its foliage, and the trade winds carry its sweet aroma all the way across the lagoon. Taha'a shares a single coral reef with its neighbour Raiatea: ships anchor in this shared lagoon and boats land passengers at the docks, at the easy pace that governs all of local life. Here there are no towns and no traffic lights: just villages, green mountains and turquoise water as far as the eye can see.

The vanilla island

Taha'a produces most of French Polynesia's vanilla, and its farms gladly open their shade houses to passengers. You learn about the patience this orchid demands: each flower is pollinated by hand on one specific morning, then the pods dry for months before releasing their aroma. Visits end amid heady fragrances and little bags to take home, light and precious souvenirs that will perfume your suitcase all the way back home. Cooks on the cruise leave with their heads full of ideas.

Black pearls on stilts

On stilts above the calm waters, several pearl farms carry on the cultivation of the Tahitian black pearl. Visits show the grafting of the oysters, a meticulous operation on which the birth of each gem depends, then the harvests with green, aubergine or midnight-blue lustre. Buying here, directly from the producer, often means better terms than in the shops of Papeete, and above all a story to tell with the jewel: that of the very lagoon where it grew.

The coral garden

Between the main island and one of the motu fringing the reef, a shallow channel shelters the famous coral garden. You let the current carry you, mask on, over coral heads where butterflyfish, clownfish and silvery schools swim. The drift lasts a few dozen minutes of pure, silent bliss. Guides keep watch, correct a course and lend a hand to less confident swimmers. Most motorized canoe excursions combine this swim with a picnic on a motu, grilled fish and fruit served with your feet in the sand. Raw fish in coconut milk, Polynesia's signature dish, often appears on the menu at these stops.

Port call highlights

Villages and mountains

The road circling the island links a handful of flower-filled villages, Patio, Haamene and Tiva, where churches ring with song on Sundays and fruit sellers wave at every car. The hills are covered with coconut plantations and offer, from a few passes, sweeping views over the deep bays that cut the coastline into petals. Guided 4x4 tours climb to these lookouts and describe local life, between copra, fishing and farming.

The gentleness that lingers

As the boat carries passengers back to the ship in the evening light, Bora Bora often looms in the distance, the next stop on many itineraries. Yet many look back toward this land with no high-rise hotels or bustle, fragrant from end to end, living by the rhythm of the tides. Taha'a doesn't try to hold on: it lets you go, serene, certain that a share of its gentleness now travels in every suitcase. This is exactly how the desire to return is born. The boat's wake writes the rest.