Sanibel Sea School is a 501(c)(3) non-profit corporation whose operating expenses are covered by tuition for our programs, by grants and by donations. Thank you for your faith and involvement in our vision; through our combined efforts, we can help to conserve our precious marine resources.

Help Us Help Others

Each year, the money we raise through your generous donations allows us to purchase and maintain the equipment we need for our programs, and ensures that tuition cost is never a barrier to children for learning about and loving Sanibel’s rich coastal ecosystems.

Donate online

It only takes a few clicks. 

Donate once:
Donate monthly:

Donate by mail

If you are more comfortable mailing your donation, please send it to:

Sanibel Sea School
Post Office Box 1229, Sanibel, Florida 33957


We can always use a variety of donations. Currently we are in specific need of:

  • Craft supplies
  • Seine nets
  • Nautical and Nature Books
  • Waterproof aerators for fish buckets
  • Dip nets
  • White t-shirts

To donate supplies, please contact us at 239-472-8585 or

Amazon Smile

If you're shopping on Amazon, click here and shop as usual - 0.5% of what you spend will be donated back to Sanibel Sea School. It all adds up!


Octifest is Sanibel Sea School's annual fundraising event on the causeway. Once a year, we set up a big-top tent, organize a live and silent auction, and throw a bay-side party to raise funds for our institution and our scholarship programs. Learn more and buy tickets at

Capital Campaign for a Sustainable Future

In order to secure a real and permanent home, as well as to provide for scholarship funds and future strength, Sanibel Sea School is currently raising money through our Capital Campaign for a Sustainable Future. 

Matching grants from two generous family foundations will allow us to double your money – a dollar match for every dollar you give. For more information, please contact us at 239-472-8585 or


We are most grateful to our national, regional and local sponsors for their faith and involvement in our vision.

If you’d like to become a sponsor, please contact us at 239-472-8585 or



The greatest use of life is to spend it for something that will outlast it.
– William James