The 20 Best Islands in The World

The crescent-shaped caldera of Santorini, formed by a massive volcanic eruption around 1600 BC, is a 12km-wide bay ringed by cliffs that rise up to 300 metres straight out of the sea.

White-washed cube houses and blue-domed churches line the rim at Fira, Imerovigli and Oia, and boat trips run out to the still-active volcanic islets at its centre.

It is one of the world's most recognisable islands, and priced accordingly.

The Maldives is an archipelago of 1,200 coral islands scattered across the Indian Ocean, where pristine white sand, crystal-clear turquoise lagoons, and overwater bungalows create the archetypal tropical paradise.

The islands sit just above sea level, making them one of the world's most climate-vulnerable nations.

Bora Bora is a small volcanic island in the South Pacific surrounded by a technicolour lagoon of electric blues and greens enclosed within a coral reef.

The island's dramatic basalt peak, Mount Otemanu, rises 727 metres from the lagoon and is mirrored in the still waters below.

The Lofoten archipelago in northern Norway rises dramatically from the Norwegian Sea as a series of jagged peaks and sheltered bays.

Traditional red fishing cabins called rorbuer dot the shoreline against a backdrop of some of Europe's most spectacular mountain scenery, with the Northern Lights frequently visible in winter.

Scotland's largest and most dramatic island rises from the Inner Hebrides like a dark, brooding giant.

The jagged peaks of the Cuillin mountains, the eerie Quiraing landscape, the ancient Dunvegan Castle, and the famous Fairy Pools make Skye one of the UK's most spectacular destinations.

Giant pink-granite boulders line the pale sand and shallow turquoise water of Anse Source d'Argent, the best known of a string of coves along La Digue's coast.

The island moves at bicycle pace - there are barely any cars, and the whole place can be crossed in an hour on two wheels.

Development stays low-rise, and the interior is dense palm and takamaka forest.

Six hundred miles off the Ecuadorian coast, the Galápagos archipelago is a living laboratory of evolution where wildlife shows no fear of humans.

Charles Darwin's observations here inspired his theory of natural selection, and today visitors can snorkel with sea lions and walk alongside giant tortoises.

Sheer limestone karsts rise straight out of turquoise lagoons around this Palawan town, often ranked among the world's most beautiful island landscapes.

Hidden lagoons reachable only by kayak or narrow swim-throughs open onto still, mirror-flat water walled in by cliffs.

Island-hopping boat tours string together beaches, lagoons, and reefs that are rarely anything less than spectacular.

Limestone cliffs plunge into an impossibly turquoise bay at Maya Bay, made famous by the film The Beach and now managed with timed entry after years of coral damage.

The viewpoint above Tonsai village looks down on two curved beaches meeting either side of a single narrow isthmus.

Snorkelling among the karsts, longtail boat trips and a loud late-night bar scene make up the rest of the island.

Mykonos built its reputation on whitewashed alleys, the row of windmills overlooking the harbour, and a nightlife scene that runs from beach clubs by day to bars in Chora by night.

Little Venice's balconied houses sit almost in the water, and beaches like Paradise and Psarou draw a see-and-be-seen crowd through the summer.

Away from the party scene, quieter coves and Cycladic villages inland offer a calmer version of the same island.

Emerald rice terraces cascade down hillsides at Tegalalang, ancient sea temples perch on offshore rock at Tanah Lot, and Mount Agung looms over the east of the island.

Bali packs jungle, volcano, temple and coast into an island small enough to cross in a day, with a Hindu ceremonial calendar running visibly through daily life.

The southern beach strip is heavily developed; the north and east still are not.

A volcanic island in the mid-Atlantic nicknamed the "floating garden," Madeira packs cloud forest, terraced vineyards, and sea cliffs over 500 metres tall into an area smaller than greater London.

A 19th-century irrigation network of levadas laces the interior with walking trails through laurel forest and past hidden waterfalls, while a glass skywalk cantilevers out over Cabo Girão, one of Europe's highest sea cliffs.

Powder-white beaches and turquoise Indian Ocean water ring this Swahili Coast island, while Stone Town's maze of coral-stone alleys and carved wooden doors holds centuries of trading-post history.

Sandbanks appear and vanish with the tide, and traditional dhows still work the horizon at sunset.

Spice farms, seaweed cultivation and a distinctive Omani-Swahili food culture fill out the days between beaches.

Ringed by limestone cliffs and turquoise lagoons, Coron is best known for some of the world's best wreck diving — a dozen Japanese naval ships sunk here in a single 1944 raid now sit intact on the seabed, accessible to both certified divers and snorkelers.

Above water, Kayangan Lake's cliff-top viewpoint and the island's hot springs round out a destination built around striking limestone-and-water scenery.

Bolivia's most sacred island sits in the middle of Lake Titicaca, the birthplace of the sun in Inca mythology and home to ruins that predate the Inca themselves.

No cars or paved roads cross it — Inca-era stone paths link small villages, terraced hillsides and ancient sites like the Chinkana labyrinth.

At over 3,800 meters, the walk between villages rewards visitors with some of the clearest lake and mountain views in South America.

Isla Holbox is a car-free sandbar island off Mexico's Yucatán coast, reached only by boat, with sandy streets, pastel-painted guesthouses, and a slower pace than the resorts of Cancún.

Whale sharks gather in the surrounding waters from roughly June to September, drawing snorkel trips out to swim alongside them, and the island's shallow lagoon glows with bioluminescent plankton on dark nights.

The Farasan Islands are a low-lying Red Sea archipelago off Saudi Arabia's southern coast, ringed by coral reefs that draw divers and snorkellers to waters that see whale sharks pass through seasonally.

The main island holds crumbling coral-stone merchant houses from an Ottoman-era pearling boom, now mostly abandoned, alongside mangrove channels sheltering gazelles found nowhere else, with ferries from Jazan the only way in.

The Philippines' surfing capital centers on Cloud 9, a powerful reef break that draws competitive surfers from around the world, but the teardrop-shaped island has plenty beyond the waves — the tidal Magpupungko rock pools, palm-lined lagoons, and a laid-back beach-town scene around General Luna.

Island-hopping trips reach nearby uninhabited islets with genuinely empty white-sand beaches.

A causeway connects this low-lying coral island to the Cuban mainland, its shoreline mixing resort beaches with mangrove lagoons and salt flats that host large flamingo colonies, giving it noticeably more wildlife interest than Varadero's more developed strip.

Birdwatchers come specifically for the flamingos and other wading birds alongside sun-seekers drawn to its calm, shallow waters.

Far less developed than Zanzibar, Mafia Island sits within a marine park protecting some of East Africa's healthiest coral reefs and is one of the world's most reliable places to swim with whale sharks, which gather offshore between October and March.

The island's slow pace, quiet beaches and small-scale dive lodges attract a niche crowd of divers and snorkelers over the beach-resort tourists who head to Zanzibar instead.