Casa Las Tortugas Petit Beach Hotel & Spa

Past the golf-cart lanes of Holbox's car-free centre, Casa Las Tortugas sits on a private beachfront strip where the Gulf of Mexico meets the Yucatán's bioluminescent flats. Adults only, it keeps a quiet rhythm that the island's backpacker zone does not.

The spa anchors the inland side of the property with a steam room, massage chairs, and packaged wellness programs — unusual depth for an island hotel of this scale. Water sports, snorkelling, and fishing depart directly from the beach; yoga classes run on the terrace most mornings.

Holbox has no paved roads and no cars — the ferry from Chiquilá takes roughly 25 minutes, and the hotel's shuttle service meets arrivals. The tour desk arranges whale shark trips, which run June through September.