The eastern gateway — bioluminescent bays, island hopping and the best snorkelling on the island
Fajardo sits on Puerto Rico’s north-east corner, about an hour east of San Juan. It is the launch point for Laguna Grande — one of the island’s three bioluminescent bays — the ferry terminal for Vieques and Culebra, and the departure point for boat trips to the uninhabited cays off the coast. For most visitors it is a day trip from San Juan rather than a place to stay.
Why people come to Fajardo
Bio Bay Access
Laguna Grande, reachable by kayak through a mangrove channel
Island Hopping
Ferries to Vieques and Culebra, boats to Icacos and Palomino
Clear Water
Reefs and cays with some of the calmest snorkelling in Puerto Rico
Things to do in Fajardo
1. Kayak the bioluminescent bay at Laguna Grande
The main reason most people drive out here. You paddle through a narrow mangrove channel after dark and the lagoon opens up, glowing blue-green with every stroke. Go within a few days of a new moon — moonlight washes the effect out almost completely.
Full detail on all three of the island’s bays, and when to go, is in our bioluminescent bay guide.

2. Boat out to Icacos and Palomino
Small uninhabited cays a short boat ride offshore, with shallow turquoise water and reefs close enough to swim to. Icacos is the usual stop for snorkelling and swimming; the water is calmer than almost anywhere on the north coast.
3. Take the ferry to Vieques or Culebra
Fajardo is where the ferries leave from. Culebra has Flamenco Beach, regularly ranked among the best in the Caribbean. Vieques has Mosquito Bay, the brightest bioluminescent bay in the world, plus the wild horses. Both are worth an overnight rather than a rushed day trip — see our Vieques guide.
4. Snorkel the reefs
The cays off Fajardo sit in a protected marine reserve. Visibility is generally better here than on the Atlantic side of the island, and the reefs are shallow enough for beginners.
5. Combine it with El Yunque
El Yunque is on the way. Plenty of visitors do the rainforest by day and the bio bay the same night — a long day, but it removes a second drive east.
Getting to Fajardo from San Juan
| Distance | About 34 miles east |
| Driving time | 50 minutes to 1 hour, longer in rush hour |
| Public transport | Limited and slow — not practical for a bio bay tour ending at night |
| With our tours | Transportation included from San Juan, or meet us closer if you are staying in Isla Verde, Río Grande or Luquillo |
Frequently asked questions
Is Fajardo worth visiting?
As a day trip, yes — for the bio bay, the cays and the ferries. The town itself is working rather than scenic; people come for what leaves from it, not for the centre.
How far is Fajardo from San Juan?
Roughly 34 miles, about an hour by car depending on traffic.
Which bioluminescent bay is in Fajardo?
Laguna Grande. It is the most accessible of Puerto Rico’s three bio bays, and the only one you reach by paddling through a mangrove channel.
Can you swim in the Fajardo bio bay?
No. Swimming is prohibited at Laguna Grande to protect the organisms. La Parguera in Lajas is the only bay in Puerto Rico where swimming is allowed.
Do I need a car to visit Fajardo?
Not with a guided tour — transportation is included. Under your own steam, a car is effectively essential, particularly for a night tour.
Tours departing from Fajardo
Small groups, local guides, transportation from San Juan included.
Our Laguna Grande bio bay kayak tours are paused at the moment — the bio bay guide explains the timing and which bay to choose when they resume.
Private Party Boat — Icacos & Palomino, $125 · 5 hours, captain and mate included, up to 6 guests
Also worth seeing: El Yunque rainforest tours and everywhere else we go in Puerto Rico.