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Estuario Weekly Update

Estuarine greetings! Through our weekly update, we inform residents and friends of the San Juan Bay Estuary Watershed communities about events, projects, activities and training opportunities.

Family day trip at Condado Lagoon Natural Estuarine Reserve

Don’t miss the next family day trip at Condado Lagoon Natural Estuarine Reserve on Saturday, July 1, starting at 8:30 a.m.

We will have classes Rope Flow, yoga, the beginning of the creative process of the Mural con conciencia of resident artist Angélica Rivera, an interpretive walk, and the presentation of the campaign Con el estuario convivimos.

Read more about activities at

Prelude to Cine del Estuario

On Saturday, July 1, at 6:15 p.m. before the film screening, we will present the campaign: Con el estuario convivimos, giving you an exclusive and big-screen view of the content focused on the protection of our estuarine ecosystem. Hope to see you there!

Cine del Estuario

After the family day, Cine del Estuario presents: Elvis; starting at 7:00 p.m. at the Jaime Benitez Park. This feature is free of charge. Bring your blanket or chair!

Certification for citizen scientists

Estuario certifies students from grades 9-12 as part of its coastal resilience module. Through the certification, it is possible to do your Green Contact or community service hours (public or private school).

Here are upcoming events scheduled for high school students:

  • July 1 – Field trip: planting and monitoring of mangrove communities – 8:00 a.m. to 12:00 p.m., Laguna del Condado
  • July 2 – Field Trip: Seagrass Monitoring – 8:00 a.m. to 2:00 p.m., at Laguna del Condado
  • July 5 – Thematic Workshop: Ecological Assessment of Coral Reefs – 7:00 p.m. to 8:00 p.m., by Zoom
  • July 8 – Field Trip: Coral Reef Monitoring – 8:00 a.m. to 12:00 p.m., at Laguna del Condado

For more information and to coordinate your participation, please contact us by email at: [email protected] and [email protected]. See more information in Spread the word!

Summer workshop for educators

The San Juan Bay Estuary and the BirdsCaribbean Chiriría working group invite you to the workshop for educators: Chiriría and the conservation of wetlands, on Thursday, July 13, 2023, from 9:00 a.m. to 12:00 p.m. at the Peninsula de Cantera Community Center.

In addition to the theoretical part, where we’ll discuss activities from the teacher’s manual: The wonderful wetlands of the insular Caribbean, the workshop will include a field trip. The field trip will be a kayak tour, which is required, and will be offered in two sessions (Saturday, July 15 or Sunday, July 16). The meeting place will be shared with registered participants.

Sign up today, at

The sounds of the estuary

We warmly welcome the artist Armando Román, who will carry out his project Los sonidos del estuario, as part of our Estuario Resident Artists initiative.

The sounds of the estuary is a project of memory and sound documentation. Part of the creative process will consist of three tours, where the everyday sounds of various localities located within the estuary and its watershed will be recorded. These recordings, and the experiences embodied in them, will be the basis of a sound map that will be part of Estuario’s Atlas. The tours will take place on July 14, 23 and 27.

View dates, locations, and sign up for one of the tours today, in

Second gathering for merchants of Loíza Street

Last Tuesday, June 27, 2023, the initiative for responsible management of solid waste, Que no toque el piso ni llegue al agua, summoned the merchants of Loíza Street to Taller Comunidad La Goyco, where we shared information about Act 51-2022, Law to prohibit the sale and use of single-use plastics in all commercial establishments.

We thank the merchants who attended! Learn more about Act 51-2022; download the fact sheet on our portal.

See the photo gallery of the meeting, here.

Characterization of microplastics in the San Juan Bay

Last Saturday, June 24, we made a field trip as part of the microplastics characterization and reduction module from the certification for citizen scientists of Estuario.

Shoutout to the volunteers who joined us!

See photos from the field trip, here.

Weekly water quality monitoring

Evaluation carried out on Thursday, June 29, 2023. We have a RED flag for the Condado Lagoon Natural Estuarine Reserve. We recommend avoiding the areas that exceeded the water quality parameter for enterococci (70 CFU/100mL). Remember to avoid bodies of water during rain events.

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