Mexico
On summer nights the island's shallows light up electric blue at every footstep.
Nothing on Holbox moves fast enough to raise dust, which is fortunate, because the streets are sand. Golf carts and bicycles roll between painted houses to a shore where the sea goes out in sheets of ankle-deep silver.
Holbox lies inside the protected Yum Balam landscape, a low island of sand streets, murals and mangrove edges where tides redraw the shoreline daily. Authorised seasonal boat trips may meet whale sharks, and on dark nights the water can spark with bioluminescence, though both depend on conditions no operator controls. The island's real habit is slowness: beaches, mangrove channels and a compact village that ends where the sandbars begin.
Couple
Wade the sandbars at dusk while the island's slowness sets the itinerary.
Friends
Split days between beach, mangrove trips and the village's mural streets.
Solo
Cycle the sand lanes, swim early and read the afternoons away under palms.
Holbox's lobster pizza has been made on the island since 1985, fresh lobster folded into melted cheese.
As a fishers' island it runs on fresh seafood, from ceviche to whole fried fish.

Port St Johns
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Twin cliffs guard a river mouth where forest, settlement and Indian Ocean meet.

Santa Maria
Portugal
The Azores' oldest island hides a red clay desert and golden beaches the others lack.

Musandam Peninsula
Oman
Bare limestone drops into drowned valleys where dolphins ride the dhow's bow wave.

Amami Oshima
Japan
Subtropical mangroves and brown-sugar shōchū on an island the guidebooks forgot.

Tehuacán-Cuicatlán Valley
Mexico
Forests of columnar cacti record millennia of human life in Mexico's drylands.

Hierve el Agua
Mexico
A waterfall caught mid-plunge in pale stone hangs above the Oaxaca valleys.

Ek Balam
Mexico
A royal stucco façade survives within the towering Acropolis of Ek Balam.

Cuetzalan
Mexico
Clouds drift through steep market streets above coffee, caves and forest paths.