- Duration: roughly six hours on the water by day plus two to three hours for the bay at night
- Included: snorkel gear and food by day, kayak and guide at night. Dinner in between is on you
- Best for: travellers staying in or near Fajardo, since the drive back to San Juan lands close to midnight
- Book ahead: one to two weeks for the bay, and check the moon phase before you fix the date
- Practical warning: a full moon can cancel the effect entirely even though the tour still runs
The night half. Laguna Grande in Fajardo by kayak, which is the closest glowing bay to San Juan.
Check Availability →The day half. Finish the boat trip in the afternoon and you are already in the right town for the bay.
Check Availability →Prices are indicative starting prices and can change.
What the combo includes
A Cayo Icacos plus Bioluminescent Bay combo pairs a daytime catamaran to the cay with a nighttime kayak in the Laguna Grande bio bay near Fajardo. Two of the east coast's top experiences in one logistical run.
Why book the combo
Both leave from the Fajardo area, so a combo saves you a second 50 minute drive from San Juan. You get the white sand cay and reef by day and glowing plankton by night.
Price and timing
Combos run about 170 to 200 dollars per person and make for a long 12 hour day. The catamaran is mid day, then a break, then the bio bay kayak after dark.
Who it suits
- Travelers with limited days who want maximum value
- Couples and active groups who do not mind a long day
- Anyone basing the trip around the east coast
Tips
Book the bio bay portion near a new moon for the brightest glow. Bring a change of clothes and bug spray for the evening kayak, and a reusable water bottle for the day.
Frequently asked questions
Yes, and it is a common pairing because both leave from Fajardo. You get back from the cay in the afternoon, eat in town and start the bay tour after dark.
Laguna Grande, reached by kayak through a mangrove channel. It is the closest of Puerto Rico's three glowing bays to San Juan, which is why it is the busiest.
A great deal. Around a full moon the glow is barely visible. Aim for a few days either side of a new moon and expect operators to run tours on bright nights regardless.
It is worth considering. The bay tours finish late and the drive back to San Juan takes an hour on unlit stretches of road, which is the part most people regret.
