🌙Sky, Sun & Moon

Sunrise, sunset, moon & bioluminescence

Retreat-week sun & moon

Sun May 17

🌑 New Moon

5:50 AM

7:13 PM

Rise 5:48 AM

1% lit

Mon May 18

🌒 Waxing Crescent

5:50 AM

7:13 PM

Rise 6:32 AM

4% lit

Tue May 19

🌒 Waxing Crescent

5:49 AM

7:14 PM

Rise 7:20 AM

10% lit

Wed May 20

🌒 Waxing Crescent

5:49 AM

7:14 PM

Rise 8:13 AM

18% lit

Thu May 21

🌓 First Quarter (eve)

5:49 AM

7:15 PM

Rise 9:09 AM

28% lit

Bioluminescence calendar

Glowing water 🌌

Tiny dinoflagellates flash blue when disturbed. Best on moonless nights in warm-water lagoons. The new moon on May 16–18 is a perfect window.

Holbox Island

Best Jul–Jan, faint year-round

Top spot on the peninsula. 4 hr drive + ferry — overnight trip.

Bacalar Lagoon

Year-round (faint)

3 hr drive south. Combine with a night kayak tour.

Punta Allen / Sian Ka'an

May–Oct on dark nights

2.5 hr from Playa. Book a guide — bumpy road, no lights.

Cozumel south coast

Occasional sightings on dark nights

Easiest day-trip from Playa. Take the late ferry back.

Bio is unpredictable — guides only book trips on nights with strong forecasts. Bring a swimsuit you don't mind getting wet at midnight.

Best spots by time of day

Sunrise: Mamita's or Coco Beach — sun rises over the water (east-facing coast = magic).
Sunset: rooftop bars on 5th Ave (sun sets inland), or head to Punta Esmeralda for water reflections.
Moonrise over the sea: any beachfront — it rises from the ocean. Magical on full-moon nights.
Stargazing: drive 20 min inland away from city lights, or head to Tulum / Sian Ka'an.