• Where science and natural beauty take flight

  • Conservation for future generations

  • turtle release

    Stewardship of our resources

  • Orville education

    Winning hearts and minds through education

  • Where land, water, and people come together

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Our Mission

The Mission-Aransas National Estuarine Research Reserve brings together scientists, landowners, policy-makers, and the public to ensure that coastal management decisions benefit flora and fauna, water quality, and people.

Fast Facts:

  • Established in 2006
  • We are the 3rd largest NERR at 186,189 acres
  • The only NERR in Texas
  • The only NERR west of the Mississippi in the Gulf of Mexico

Real-time Data Access


Conversations with Tony Amos




Marine Debris Page

Learn more about marine debris research and impacts by clicking HERE.

Bay Education Center

Come visit us at the Bay Education Center!


Amos Rehabilitation Keep (ARK)

Check out the Amos Rehabilitation Keep (ARK)!


Mission-Aransas Twitter

  • HarteResearch
    HarteResearch Dr. John “Wes” Tunnell, a beloved teacher, researcher, writer and founder of our institute, passed away this morning. Our director Dr. Larry McKinney reflects on Wes and the legacy he left in HRI: t.co/85uxy76iRQ
  • CoastalStudies
    CoastalStudies Established by Dr. Tunnell in 1984, the Center for Coastal Studies was a life changing experience for all those that were lucky enough to be mentored by this fantastic human being.
  • CoastalStudies
    CoastalStudies The students, research scientists, and staff who came through the doors at CCS continue to weave a tapestry of life that at the Center stands John "Wes" Tunnell, Jr. To a live well lived, we salute you!
  • CoastalStudies
    CoastalStudies We will strive to always lift ourselves up to the standards you instilled in us. Thank you my friend for all you have given us, and to the Tunnel family, remember that he continues to live on in all of us. Peace to you all. t.co/QK4zSaTdn8
  • MissionAransas
    MissionAransas Today we are out volunteering at weigh masters at the 83rd Annual Port Aransas Deep Sea Roundup. Come say hi and show us your catch! t.co/tF0XI6UGBB