Cancún

CUN is one of the world's most efficient tourist airports — 3 hours from NYC, with a transfer corridor that delivers you to your resort in 20 minutes. Check into your all-inclusive as the afternoon sun beats the Caribbean turquoise and spend your first hours at the beach, testing the room temperature of the water (perfect at 82°F) and the quality of the frozen margaritas (equally excellent). The Hotel Zone is a 25-mile island strip parallel to the mainland with ocean on one side and a lagoon on the other — tonight explore the Zona Hotelera's restaurants and find one table you'll want to return to every evening.

Wake early for the 2-hour drive to Chichén Itzá — the greatest Maya city on the Yucatan Peninsula, and one of the New Seven Wonders of the World. The El Castillo pyramid rises 30 meters from the flat jungle plain with a mathematical precision that still astonishes archaeologists: exactly 91 steps on each of its four sides plus the top platform equals 365 — the days of the solar year. Your guide explains the ball court, the Observatory, the Well of Sacrifice, and the extraordinary astronomy embedded in every structure. Return via Ik Kil cenote — a perfectly circular 60-meter-wide sinkhole open to the sky, with waterfalls cascading from hanging roots and crystal-clear water. Swimming here is one of the Yucatan's great experiences.

A 20-minute ferry from Puerto Juárez takes you to Isla Mujeres — the small island off the Cancún coast with a completely different character: golf carts instead of cars, a pedestrian town center with painted houses, and the most authentically Caribbean atmosphere within reach of the hotel zone. Rent a golf cart to explore the island's perimeter in an hour, stopping at Garrafón Natural Reef Park for snorkeling directly off the cliff, and Punta Sur at the island's southern tip for dramatic Caribbean coastal views. Lunch at Olivia's or a waterfront ceviche spot, then afternoon at Playa Norte — consistently ranked one of the top 10 beaches in the Caribbean, with waist-deep water stretching 200 meters from shore.

The Mesoamerican Barrier Reef runs along the entire Riviera Maya coast — the world's second largest barrier reef system, visible as a line of breaking waves a few kilometers offshore. A boat snorkel excursion takes you to multiple reef sections with outstanding biodiversity: parrotfish, angelfish, moray eels, nurse sharks resting on the sandy bottom, and the occasional eagle ray. Many excursions also include a stop at a sea turtle nesting area where wild turtles are endemic year-round. Return to the resort by early afternoon for a spa treatment, cocktails, and the specific pleasure of having nowhere to be for the rest of the day.

A 2-hour drive south brings you to Tulum for a day immersion in the most atmospheric archaeological and natural sites on the Riviera Maya. Visit the clifftop ruins with a guide for the morning, then drive to Gran Cenote for an afternoon swim in the crystal underground spring system. The Tulum experience in a single day gives couples who are based in Cancún a compelling preview — and sometimes the motivation to book a full Tulum trip next time. Return to Cancún by early evening for a resort dinner with your stories from the ruins and the cenotes still fresh.

Today is specifically unscheduled. Sleep in. Order breakfast in bed. Spend the entire morning in the ocean and the resort pool. Eat an exceptional lunch at the resort's best a la carte restaurant (most luxury all-inclusives have 6+ dining options requiring reservation). Receive a couples' massage at the spa. Order cocktails at the beach bar at 4pm and watch the Caribbean sun descend. Book the resort's specialty dinner tonight — most have a tasting menu or premium restaurant for a special occasion setup. This is what all-inclusive honeymoon luxury looks like when it's done right.

CUN's incredible proximity — 3.5 hours from NYC — makes the departure from Cancún one of the most painless in travel. A final beach morning, a last swim in the turquoise Yucatan water, checkout, and a 20-minute transfer to an airport so efficient you'll be in the departure lounge within an hour of leaving the resort. Take home a bottle of Ilegal Mezcal, a bag of Yucatan chili chocolates, and the proof (a deeply relaxed body) that world-class Caribbean travel is this accessible from the US East Coast.