Only real-deal surfers should brave the torrid waters of Puerta Viejo de Talamanca, known both for their beauty and for their dangerously strong riptides. Surf’s especially up at Salsa Brava and Playa Cocles. Not to fear—the rest of you water bugs can enjoy snorkeling, kayaking and diving in the calmer waters of Cahuita or Manzanillo. Rent a mountain bike to coast to Manzanillo for a full, fun experience.