Days 1–2 — San José + arrival. Skip the city if you can. Drive straight east to the Caribbean.
Days 3–5 — Tortuguero. No roads in. Boat or small plane only. Green turtles nest July–October. Boat trips at dawn for jaguars on the beach (rare but documented).
Days 6–8 — Sarapiquí + Arenal. Cloud forest at La Selva research station. Volcano hikes around Arenal. Hot springs at Tabacón.
Days 9–11 — Monteverde. The cloud forest reserve. Quetzals March to May. Hummingbird gardens for guaranteed close-up shots.
Days 12–14 — Corcovado. Primary rainforest, 20+ km daily on foot with a guide. The full crocodile-tapir-jaguar circuit. Stay at Sirena ranger station.