Support CSLI

Through a tax-deductible donation, you can help preserve the beauty of Long Island's beaches and marine life while supporting our marine education programs.

Pay with PayPal or a debit/credit card

Other Ways to Give

In-kind Donations


We graciously accept in-kind donations such as bags for beach cleanups and more. If you have resources to donate, please contact us.

Volunteer Time


We're always looking for volunteers to help keep our beaches pristine. Check out volunteer opportunities & upcoming events to participate.

Amazon Smile


Amazon will donate 0.5% of the price of your eligible AmazonSmile purchases to Coastal Steward whenever you shop on AmazonSmile.         

Our Wish List


Boat Equipment

  • Boat hooks 
  • Deck brushes 
  • Fish nets on poles (used to pull debris from water) 
  • Life rings
  • Small aluminum ramp (3' by 6') for entering/exiting boat
  • Multi-purpose tool kit  
  • Large first aid kit 
  • Small water-tight container for storing documents
  • Boat stand
  • Bottom paint

Storage Shed

  • Record retention lockers 
  • Storage shelves
  • Marine plywood to repair floor and doors

Office & Educational Resources

  • Tape recorder for meetings
  • Computers
  • Mini projector for classroom and events

Truck Equipment/Other

  • Hydraulic pump jack
  • 4x4 full sized truck
  • Stainless steel water bottles

Our programs wouldn't be possible without in-kind donations from our valued sponsors, volunteers, partners, and donors. If you would like to donate one of the items on our list, please contact us

Become a Sponsor

If you'd like to take part in educating the public on marine issues while preserving and restoring Long Island's beaches, we would love to add you to our list of sponsors and partners! Please contact us if you are interested in supporting our marine education programs, beach cleanups, and Shellfish Restoration Program.