Submissions for the 2026 REEF Discover the Sea Underwater Photography Contest are now open! All ocean photographers are invited to submit their favorite photos. It’s free to enter, and you may submit up to three photos per person in each of the following categories:

If you’re looking for a Field Survey Trip that offers more than just snorkeling and diving, REEF’s Costa Rica Eco-Adventure Field Survey Trip is right up your alley. This unique eco-adventure combines diving and snorkeling with Costa Rica’s incredible marine life and exciting land-based adventures through its vibrant tropical rainforests. The weeklong itinerary includes four days of diving and snorkeling, with two dives per day to conduct REEF surveys, along with land tours in Monteverde that showcase the incredible biodiversity of this amazing destination.

A fish as beautiful as it is destructive; invasive lionfish have had dramatic impacts on marine ecosystems due to their high reproductive rate and voracious appetites. These visually stunning fish have characteristic red and white stripes and long, fanlike spines and fins. 

Join us for a free community science lesson and activity in our Science Discovery Classroom! Dive into REEF’s ongoing collaboration with the Cayman Islands Department of Environment and scientists from UC San Diego and Oregon State to study and protect the Nassau Grouper, a keystone Caribbean species. Better understand how stakeholders play a role in species protection.

All ages welcome! 

Join us for a free community science lesson and activity in our Science Discovery Classroom! This week learn about the spread of the invasive lionfish in the Florida Keys and how it has impacted the ecosystem. Then, watch an educational lionfish dissection and learn how to get involved in our removal efforts!

All ages are welcome!

Join us for a free community science lesson and activity in our Science Discovery Classroom! This week explore Florida Keys ecosystems by examining local animals and plants and learning how they are all interconnected. Discover the unique benefits of each ecosystem.

All ages welcome! 

Join us for a free community science lesson and activity in our Science Discovery Classroom! This week learn to identify common fish in the Florida Keys and how you can get involved with the Volunteer Fish Survey Project.

All ages welcome!

Meet our September Fish of the Month, the Painted Comber, Serranus scriba, a small but spectacularly decorated member of the sea bass family. Its name says it all: the intricate scribble of blue and red lines across its head looks as though an artist signed their work, and once you have seen one up close, it is hard to forget.

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