The GTM Research Reserve will reopen for normal business hours beginning Friday, September 6, 2019. This includes: beaches, trails, Guana dam, and Visitor Center. For more information, visit us on our GTM Facebook page, or contact the Visitor Center at (904) 823-4500 beginning tomorrow.

Welcome to the GTM Research Reserve!

Teeming with life, the Guana Tolomato Matanzas National Estuarine Research Reserve (GTM Research Reserve) is a dynamic, ever changing place with many interconnected habitats from the ocean to the forests. One of 29 National Estuarine Research Reserves in the country, this landscape protects and provides for a great diversity of plants and animals. People have historically changed and preserved this ecosystem. People are an important part of the future of this landscape. This is your reserve! Enjoy, share, and protect it. Visit us today!

Who Are We?

Learn about our different programs and events at the reserve.

Why Support Us?

We need your help. Join, volunteer or donate today.

Where Are We?

Come see all our different resources available at the reserve.

Register for Oceanwise 2019


You are invited to join us for our annual celebration of the GTM Research Reserve on Saturday, September 28th at 6:00 p.m.  Oceanwise – An Evening for the Estuaries is our annual benefit to raise funds for the research, education, and stewardship of our precious Reserve. This year is extra special because we are also celebrating the 20th anniversary of the Reserve!

Oceanwise is a relaxing evening on the Guana River with sunset views, drinks with friends, and delicious offerings from local restaurants including: Aunt Kate’s, Bold City Brewery, Cap’s on the Water, Dessert First Bistro, The Floridian, The Reef, and Purple Olive. Dress is resort casual. Sandals are suggested, but comfort is required!


Last year the event sold out so be sure to purchase your tickets today.  Registration is $75 per person and available by clicking HERE. You can also call us at (904) 823-4527 or mail your check to 450 Guana River Road, Ponte Vedra Beach, FL, 32082.

Special thanks to our Oceanwise sponsors: Fletcher Davis, Northrop Grumman, Serenata Beach Club, Gate Foundation, Rayonier, Applied Technology & Management, Amanda Morrow, REALTOR, Howard Services, Davis & Davis CPAs, Mr. John Upp, Herbie Wiles Insurance, and VyStar Credit Union.

Thank you for your support of the GTM Research Reserve. See you at Oceanwise!