Stretching along Costa Rica’s Pacific coast, the trail systems and coastal waters near Dominical and Manuel Antonio offer a vibrant playground for both hikers and snorkelers. The best trails here combine varied terrain and lush, forested paths with jaw-dropping ocean views, while the adjacent reefs invite explorers beneath the waves for glimpses of colorful marine life.

Start your journey on the Punta Dominical Coastal Trail: a challenging 8-kilometer round trip with about 350 meters of elevation gain. The path winds through thick rainforest that seems alive with murmurs of tropical birds. Every twist reveals the Pacific daring you forward with its crashing waves below. The trail’s footing skirts cliffs and soft dirt, so sturdy shoes are a must. Early mornings or late afternoons provide cool temperatures and softer sunlight for clearer views.

Once you've earned your ocean gaze, switch to snorkeling just south in Manuel Antonio’s protected marine areas. The reefs here sit within easy reach of the shore, accessible from the beaches or boat tours. The current pushes you gently along vibrant coral gardens dotted with snapper, angelfish, and occasionally, the elegant shadow of a sea turtle. Visibility averages 15-25 meters during the dry season, revealing the true dynamism of this underwater world.

For a more moderate option, the Manuel Antonio National Park trails offer well-marked, 3-5 kilometer routes with manageable elevation and frequent beach access. Here, towering trees stretch upwards like the watchful guardians of the forest, while the ocean beckons skeptics and adventurers alike. Midday sun filters through leaves, but shaded sections keep the hike doable for beginners.

Hydration is non-negotiable; Costa Rica’s humidity and tropical sun can catch even experienced travelers off guard. Pack a liter of water per person for the shorter hikes, more for the longer Punta Dominical trek. Lightweight, quick-dry clothing paired with breathable hiking shoes will keep fatigue low and traction high.

Snorkelers should check tide schedules to maximize visibility and comfort. Early morning dives often provide calmer waters and less boat traffic—critical for an enjoyable underwater experience. Consider reef-safe sunscreen to protect these underwater planets while you explore.

Every step and stroke along this coastline is a meeting with nature fiercely itself—never entirely predictable, always demanding your respect. With solid preparation, the rewards are equally straightforward: clear views, salty breeze, vibrant life both above and below the waterline, all ready to be experienced on your terms.