Golfo Dulce + Bioluminescence Tour

Witness the sunset over Golfo Dulce followed by the magical glow of bioluminescent plankton lighting up the night sea.

High Availability 3.5 Hours (Evening) Max 6 explorers Lead Guide: Rommel Quintero

Overview

Into the wild heart of Osa

Depart as the sun sets into the Pacific and cruise into calm, pitch-black coves where millions of dinoflagellates create a glowing underwater galaxy with every stroke.

Start Point Puerto Jiménez / Golfo Dulce

Finish Point Puerto Jiménez Pier

Pace Active Naturalist Walk

Age Advisory Min. 10 Years Old

Field Schedule

Expedition Itinerary

Click on any timeline milestone for guide recommendations, wildlife likelihood, and tidal crossing notes.

Day 1 • Trek to Sirena Station (20 km)

05:30 AM

Meet your guide • Puerto Jiménez

Office check-in & gear inspection

Meet at the Golfo Dulce expedition outpost next to the airfield. We verify your passport registrations, distribute safety packs, and confirm waterproof pack liners.

06:00 AM

4x4 Colectivo to Carate • 2.5 hrs

Scenic coastal off-road drive

Drive past Cabo Matapalo along dirt roads crossing rivers and spotting scarlet macaws feasting on beach almond trees.

08:30 AM

Trek into Corcovado • 20 km through primary rainforest and low-tide coast

Official La Leona sector entry

Register permits at La Leona ranger station. Enter the dense primary jungle. Expect sightings of spider monkeys, coatis, and poison dart frogs along the Rio Madrigal trail.

12:30 PM

Coastal rest • Shade break and trail lunch along the trail

Packed organic lunch

Replenish electrolytes under the shade of wild almond trees while checking Pacific offshore rocks for feeding brown boobies and frigatebirds.

03:30 PM

Arrive Sirena Station • Check-in, warm showers, sunset at Sirena beach

Sirena compound

Arrive at the world-renowned Sirena Biological Station. Settle into bunk spaces with clean sheets and mosquito nets. Witness the Pacific sunset over the mouth of Rio Sirena.

06:30 PM

Dinner & overnight • Full hot station dinner

Lights out at 08:00 PM

Nutritious hot buffet dinner prepared by station cooks. Quiet hours begin early to preserve nocturnal biological conditions and rest for early morning wake-up.

Day 2 • Morning Walks & Return Journey

05:00 AM

Optional sunrise hike • Best time for Baird's tapirs near the river mouth

Early morning prime light

Quiet stalk along the Sirena River sandbanks. The cool morning air offers the highest statistical chance to photograph Baird's tapirs foraging on water hyacinths.

06:30 AM

Breakfast • Station hot breakfast

Gallo pinto, eggs, fresh fruit

07:30 AM

Deep forest trail • Secondary wildlife loop

Rio Claro & Espaveles trail

12:30 PM

Board the boat • Scenic coastal transfer across the Golfo

Wet landing boat boarding

Board our twin-engine expedition boat directly from the beach surf. Cruise along the Osa coastline with chances to observe dolphins, manta rays, and sea turtles.

02:30 PM

Return Puerto Jiménez • Tour conclusion at the public pier

End of expedition

ⓘ

Note on Tidal Shifts: The departure hour from La Leona is calculated precisely according to low-tide ocean tables to safely navigate coastal rock formations. Your guide will confirm the exact meeting hour 24 hours prior.

Transparency

Expedition Inclusions

✓ What is included

✦ Boat cruise with captain and night guide
✦ Night swim / snorkeling equipment
✦ Warm tea, water, and snacks
✦ Life vests and safety gear

× What to Bring

• Swimwear and dark towel
• Warm dry clothes for the return ride
• Waterproof camera with night mode

SINAC Reservation Engine

Book Your Corcovado Expedition

Complete your explorer details on the left and review the live summary on the right before dispatching to Rommel Quintero.

Lead Explorer Details Primary Explorer Information

Attention:

Full Name *

Email Address *

WhatsApp / Phone *

Country of Residence

Dietary Requirements

Guiding Language

Special Requests / Physical Condition

* All entered details are automatically synchronized with the live reservation summary.

All-Inclusive Rate

$95 / person

SINAC Permits Available

Number of Explorers

Maximum 6 guests per certified SINAC naturalist guide.

Estimated Tour Date

Optional Equipment Rental Specialized Jungle Rubber Boots +$15 / pers. Waterproof 30L Dry Backpack +$10 / pers.

Lead Explorer:

Email:

Phone:

Dietary:

Language:

Expedition Base ( × $95): $

Equipment rental: +$

Estimated Total: $ USD

✓ Permit Inquiry Dispatched

WhatsApp conversation initiated with Rommel Quintero with all selected preferences.

✓ Official SINAC Lodging

✓ Certified ICT Guides

✓ 4 Prepared Hot Meals

✓ Return to Puerto Jiménez

Visual Documentation

Expedition Photo Gallery

Click any photo to inspect high-resolution encounter details.

American Crocodile Corcovado National Park

American Crocodile (Crocodylus acutus) basking at river mouth

Pristine low-tide coastal stretch

Canopy Troop • La Leona

Baird's Tapir on trail

Wild Pacific surf line