← Rock Pool Directory/ Puerto Rico/ Playa Montones

Playa Montones

Isabela, Puerto Rico · Puerto Rico

What have people found?

Caribbean land hermit crab and bearded fireworm turn up here more than at our other rock pools. Sally lightfoot crab, atlantic rock-boring urchin and atlantic ghost crab are the usual finds. ~51 distinct species have been recorded here.

What is the best time to visit today?

Download the app to see the 7-day schedule.

See low tide times at Playa Montones for the next three days
  1. Sun 15 Novin the dark4:540.1 min the dark19:300.2 m
  2. Mon 16 Novin the dark5:470.1 min the dark20:080.2 m
  3. Tue 17 Nov6:550.2 min the dark20:470.1 m

Every low tide each day, in local time at the shore.

Plan the week in Intertidal
  • A tide chart for every day, with the best window marked
  • Identify what you find from a photo
  • An alert when a good daylight low is coming

When do people visit?

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Most observations come from February and May.

What should you know before visiting?

Parking is about 400 meters away.
Arrive 45 minutes to an hour before low tide and leave as it turns. The water comes back faster than it left.
Grippy shoes beat sandals. Wet rock and algae are more slippery than they look. Rock pool safety
A rock pool is a fragile place. Look and photograph, take nothing. The rockpooling code

What lives at Playa Montones?

Species records from iNaturalist

Sally Lightfoot CrabGrapsus grapsus
Atlantic Rock-boring UrchinEchinometra lucunter
Atlantic Ghost CrabOcypode quadrata
Caribbean Land Hermit CrabCoenobita clypeatus
Bearded FirewormHermodice carunculata
West Indian Sea EggTripneustes ventricosus
Atlantic Long-spined Sea UrchinDiadema antillarum
pretty jewel boxChama florida
Tidal Spray CrabPlagusia depressa
Isoaulactinia stelloidesIsoaulactinia stelloides
Slate Pencil UrchinEucidaris tribuloides
Red Cushion Sea StarOreaster reticulatus
spotted seahareAplysia dactylomela
Nimble Spray CrabPercnon gibbesi
Mustard Hill CoralPorites astreoides
Scan this rock pool on your next visit.

Every organism named, every visit logged to your journal.