An art museum under the Caribbean — snorkeling over 500 submerged sculptures off Cancun and Isla Mujeres: coral colonizing the silent crowd, rays gliding between statues, and the reef-conservation gallery you swim through.
The floating Mexican fiesta, Cancun edition — Xcaret's trajinera night party: a candlelit gondola crawl through jungle canals with a four-course Mexican dinner, open bar, mariachi and banda serenades dockside, and strangers turned compadres.
FreeCancun's free public masterpiece — the hotel zone's one unbuilt beach: the famous CANCUN sign over ten-shade turquoise, palapa shade on wide white sand, surfable waves, and the lookout the whole strip envies.
Cancun's most famous night out: a two-level theater-club where acrobats, tribute acts and confetti cannons run nonstop from late evening until the early hours.
The Hotel Zone's best rainy-day answer: a modern museum of Maya artifacts from across the peninsula with a small jungle-set ruin site just behind it.
A small Postclassic Maya site on the Hotel Zone lagoon side, free of tour buses, with temples, iguanas and a view of the Caribbean through the trees.
Paddle the mangrove-edged lagoon behind the Hotel Zone at sunrise or sunset, when the water is calm, the birds are active and the skyline glows.
The classic Cancun two-seater speedboat run through Nichupte Lagoon's mangrove channels, finished with reef snorkeling in the Caribbean.
A candlelit dinner aboard a replica Spanish galleon on the Nichupte Lagoon, with live music and the lights of the Hotel Zone reflected on the water.
Snorkel the shallow barrier reef off a relaxed fishing town 30 minutes south of Cancun, with calm water, coral gardens and a good chance of turtles.
A half-day jungle thrill ride from Cancun: drive an ATV through forest tracks, fly down ziplines and finish with a refreshing swim in a limestone cenote.
Descend into the reef without getting wet: a semi-submerged vessel with big viewing windows, a guide, and optional snorkeling afterward.