Get hands-on with our Oyster Monitoring Sites. Learn how to properly measure an oyster, how to identify biodiversity, and how oyster reefs contribute to the health of the coastal ecosystem. Great for all ages!

Either on our skiff or on land.

Join us in water-quality monitoring and learn how water-quality parameters, such as dissolved oxygen, nitrogen, pH, and turbidity, affect oysters. Great for all ages!

Typically on our skiff.

Join us for Fish Trap Monitoring to learn about local fish populations and help us collect data on the fish and biodiversity that call this area home. Participants will assist in identifying species, recording observations, and gaining a deeper understanding of the marine ecosystem around City Island. Great for all ages!

Typically on our skiff.

Get hands-on with our Oyster Monitoring Sites. Learn how to properly measure an oyster, how to identify biodiversity, and how oyster reefs contribute to the health of the coastal ecosystem. Great for all ages!

Either on our skiff or on land.

Join us in Fish Trap Deployment and see how we deploy our traps to monitor the local fish populations. Great for all ages!

Typically on our skiff.

Join us for Fish Trap Monitoring to learn about local fish populations and help us collect data on the fish and biodiversity that call this area home. Participants will assist in identifying species, recording observations, and gaining a deeper understanding of the marine ecosystem around City Island. Great for all ages!

*Changed from Water Quality Monitoring*

Join us in water-quality monitoring and learn how water-quality parameters, such as dissolved oxygen, nitrogen, pH, and turbidity, affect oysters. Great for all ages!

Typically on our skiff.

Join us to help us take care of our Living Shoreline Outdoor Education Center by cleaning up marine debris and clearing invasive species, while learning about your local ecosystem! Great for all ages!

Join us to celebrate the run up to Viva la Sound! Get hands-on with our Oyster Monitoring Sites. Learn how to properly measure an oyster, how to identify biodiversity, and how oyster reefs contribute to the health of the coastal ecosystem. Great for all ages!

Either on our skiff or on land.

A kayak & paddle board race around the island, followed by the Nautilus Cup sailing race & a reception and auction.

Schedule of Activities:

9:00–9:30 AM Kayakers/Paddle Boarders arrive, unload gear, enjoy breakfast

📍 21 Tier St, City Island

10:00 AM Kayak & Paddle Board Race begins (4-mile course around City Island)

1:30 PM Sailors arrive and prepare for Nautilus Cup

📍 Morris Yacht Club

2:00 PM Nautilus Cup Sailing Race begins

📍 Eastchester Bay

4:30 PM Awards Ceremony, Reception & Auction

📍 Morris Yacht & Beach Club

Nautilus Cup Sailing Race details: Notice of Race and Race Instructions

Join us for Fish Trap Monitoring to learn about local fish populations and help us collect data on the fish and biodiversity that call this area home. Participants will assist in identifying species, recording observations, and gaining a deeper understanding of the marine ecosystem around City Island. Great for all ages!

Typically on our skiff.

Join us in Fish Trap Deployment and see how we deploy our traps to monitor the local fish populations. Great for all ages!

Typically on our skiff.

Get hands-on with our Oyster Monitoring Sites. Learn how to properly measure an oyster, how to identify biodiversity, and how oyster reefs contribute to the health of the coastal ecosystem. Great for all ages!

Either on our skiff or on land.

Join us in water-quality monitoring and learn how water-quality parameters, such as dissolved oxygen, nitrogen, pH, and turbidity, affect oysters. Great for all ages!

Typically on our skiff.

Join us to help us take care of our Living Shoreline Outdoor Education Center by cleaning up marine debris and clearing invasive species, while learning about your local ecosystem! Great for all ages!

Get hands-on with our Oyster Monitoring Sites. Learn how to properly measure an oyster, how to identify biodiversity, and how oyster reefs contribute to the health of the coastal ecosystem. Great for all ages!

Either on our skiff or on land.

Join us for Fish Trap Monitoring to learn about local fish populations and help us collect data on the fish and biodiversity that call this area home. Participants will assist in identifying species, recording observations, and gaining a deeper understanding of the marine ecosystem around City Island. Great for all ages!

Typically on our skiff.

Join us in Fish Trap Deployment and see how we deploy our traps to monitor the local fish populations. Great for all ages!

Typically on our skiff.

Join CIOR for a special outdoor movie night on Long Island Sound in memory of Malcolm Campbell.

Enjoy hot dogs, popcorn, sweet treats, and drinks with friends, family, and neighbors. Bring a blanket or lawn chair and help us celebrate community, connection, and the future of the Sound. All proceeds support CIOR’s programs and operations.

Join us in water-quality monitoring and learn how water-quality parameters, such as dissolved oxygen, nitrogen, pH, and turbidity, affect oysters. Great for all ages!

Typically on our skiff.

Join us for Fish Trap Monitoring to learn about local fish populations and help us collect data on the fish and biodiversity that call this area home. Participants will assist in identifying species, recording observations, and gaining a deeper understanding of the marine ecosystem around City Island. Great for all ages!

Typically on our skiff.

Join us in Fish Trap Deployment and see how we deploy our traps to monitor the local fish populations. Great for all ages!

Typically on our skiff.

Get hands-on with our Oyster Monitoring Sites. Learn how to properly measure an oyster, how to identify biodiversity, and how oyster reefs contribute to the health of the coastal ecosystem. Great for all ages!

Either on our skiff or on land.

Initial count of all Statistical Cages. Get hands-on with our Oyster Monitoring Sites. Learn how to properly measure an oyster, how to identify biodiversity, and how oyster reefs contribute to the health of the coastal ecosystem. Great for all ages!

Either on our skiff or on land.

Join us for Fish Trap Monitoring to learn about local fish populations and help us collect data on the fish and biodiversity that call this area home. Participants will assist in identifying species, recording observations, and gaining a deeper understanding of the marine ecosystem around City Island. Great for all ages!

Typically on our skiff.

Drive out with us to Cornell Cooperative Ext. Marine Hatchery in eastern Long Island. Pick up the oyster spat-on-shell and tour the hatchery!

Email us if interested: info@cioysterreef.org

Join us in Fish Trap Deployment and see how we deploy our traps to monitor the local fish populations. Great for all ages!

Typically on our skiff.

Initial count of all Educational Cages. Get hands-on with our Oyster Monitoring Sites. Learn how to properly measure an oyster, how to identify biodiversity, and how oyster reefs contribute to the health of the coastal ecosystem. Great for all ages!

Either on our skiff or on land.

Join us in water-quality monitoring and learn how water-quality parameters, such as dissolved oxygen, nitrogen, pH, and turbidity, affect oysters. Great for all ages!

Typically on our skiff.

Join Us for the 16th Annual Orchard Beach Cleanup & Clambake with Captain Mike’s Diving!

Sunday, May 17th, from 9:00 am to 2:00 pm, by land & by sea!

Get hands-on to help your community, restore the shoreline, and protect the ecosystem! 🐟🌿  Plus! Enjoy a freeBBQ as a thank-you for your efforts.

No experience is needed, all ages are welcome! We will provide all cleanup supplies and guidance. Just come prepared for the weather and ready to make a difference!