1. Esperanza, an Auberge Resort, Los Cabos
On the Sea of Cortés, a luxe Cabo compound (kids are allowed in villas only) with an expanded spa. Doubles from $675.
2. Barceló Maya Beach, Riviera Maya
Five hotels on a white-sand beach, plus more than 37,000 square feet of pools and water-park features. Doubles from $314, all-inclusive.
3. Ritz-Carlton, Cancún
Refined Atlantic-facing rooms, and all-inclusive meals and snacks for the 12-and-under set for just $39 a day. Doubles from $469.
4. Four Seasons Hotel México, Mexico City
Central location and the city’s largest standard rooms; borrow a retro urban cruiser bike by Paul Frank. Doubles from $415.
5. Meliá Cabo Real All-Inclusive Beach & Golf Resort, Los Cabos
For clans looking to laze around a lagoon-like pool but who still want some on-site action (a rock-climbing wall and a zipline across a white-sand beach). Doubles from $400, all-inclusive.
Central + South America
1. Machu Picchu Sanctuary Lodge, Peru
The only hotel adjacent to the ruins, with guided treks to hot springs and hidden jungle temples. Doubles from $1,022.
1. Palacio Duhau – Park Hyatt, Buenos Aires
A 1930’s-era palace evoking a bygone Buenos Aires, from chandeliers in guest rooms to tango lessons in a boiserie-paneled salon. Doubles from $505.
3. Llao Llao Hotel & Resort, Golf-Spa, Bariloche, Argentina
Classic lodge in the midst of mountains and lakes in Patagonia’s Nahuel Huapi National Park. Doubles from $396, including breakfast and some activities.
4. Los Sueños Marriott Ocean & Golf Resort, Playa Herradura, Costa Rica
Central America’s largest pool and a kids’ club with a 10-hour itinerary that includes water polo. Doubles from $289.
5. Paradisus Playa Conchal, Guanacaste, Costa Rica
All-suite beach hideaway with a golf course on the northern Pacific coast. From $319 per person, all-inclusive.