Terraba–Sierpe Wetland Reserve: This vast mangrove ecosystem teeming with wildlife can be explored by boat from Sierpe and Ojochal.

Drake Bay: A dramatic setting close to Corcovado and Caño Island adds to the appeal of this hidden corner, where nature lodges specialize in sportfishing and diving and a nighttime insect tour is guaranteed to be fascinating and educational. It’s now accessible by an improved road, but you’ll still need to ford a river.

Corcovado National Park: Jaguars, tapirs, crocodiles, colorful snakes, and monkeys and scarlet macaws galore are among the easily seen wildlife in this rugged rainforest reserve. Numerous lodges and tent-camps nearby grant access.

Playa Zancudo: A magnificent beach and dramatic setting combine with low-key accommodations to provide a lazy, laid-back retreat where all you need is a hammock and swimwear.

Pavones: This surfers’ paradise has it all: great waves, stupendous palm-shaded beaches, and plenty of budget options for eats and places to rest your head. Tiskita Lodge is a rustic delight for nature lovers.

Cocos Island National Park: This remote isle is off-limits to all but experienced scuba divers, who come to commune with pelagic creatures, including whale sharks, rays, and hammerhead sharks.