Monitoring Water Quality
Protecting Healthy Habitat
Protecting Healthy Habitat
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Misty Stillness. Photo by Vineyard Colors

A Restoration
Success Story
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Ripples in the Pond. Photo by Emily Reddington

Monitoring
Water Quality
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Protecting
Healthy Habitat
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Preserving
Pond Ecology

Photo by Anne Mazar

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Mission Statement

To cultivate the resilience of our coastal pond ecosystems through science, collaboration, and education.

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About Us

Established in 1998, Great Pond Foundation leads in estuary science and restoration, using data generated by our programs for informed pond management. Our team builds strong partnerships with neighbors; fostering learning and expertise; and sharing tools and techniques. The coastal ponds of Martha’s Vineyard are globally rare, ecologically fragile, treasures whose preservation and restoration are fundamental to the Island’s long-term sustainability. The Island depends on clean and healthy coastal waters to feed families and support the local economy. These living waters define both the spirit and the character of our community.

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Latest News

EGP CYANO UPDATE

Edgartown Great Pond: MV CYANO Update MV CYANO has detected ...

The Reel Deal: Protect Ponds & Vineyard Lawns! 

The Reel Deal: Protect Ponds & Vineyard Lawns! 🎥🌊🖼️ ...

Beach Seine Day July 12th

Join us for a beach seine net event @ State ...

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💟GPF’s Director of Operations and Communications, Maria Ventura is co-founder of Darkness into Vineyard Light🕯️. This year they are hosting their 8th annual Darkness into Vineyard Light Suicide Prevention and Awareness Walk at the “Bend in the Road”, State Beach, in Edgartown…
➡️TOMORROW SATURDAY, SEPTEMBER 20th 5:00 - 7:00 AM⬅️

💟The walk will begin before sunrise 🌅 and continue until daybreak. The walk honors the nearly 50,000 people who die by suicide every year. It is a silent yet resonant tribute, turning grief into movement and sorrow into purpose. 

💟The symbolism of darkness into light is a powerful metaphor for the journey through depression, representing the transition from despair and isolation to hope and healing. Any funds raised through this event will go directly to our community her on Martha’s Vineyard. 

💟Every dollar raised helps break the silence, reduce stigma, and create real change in the lives of those affected by suicide. 

Visit link in bio to register or donate 👆💜
💟GPF’s Director of Operations and Communications, Maria Ventura is co-founder of Darkness into Vineyard Light🕯️. This year they are hosting their 8th annual Darkness into Vineyard Light Suicide Prevention and Awareness Walk at the “Bend in the Road”, State Beach, in Edgartown…
➡️TOMORROW SATURDAY, SEPTEMBER 20th 5:00 - 7:00 AM⬅️

💟The walk will begin before sunrise 🌅 and continue until daybreak. The walk honors the nearly 50,000 people who die by suicide every year. It is a silent yet resonant tribute, turning grief into movement and sorrow into purpose. 

💟The symbolism of darkness into light is a powerful metaphor for the journey through depression, representing the transition from despair and isolation to hope and healing. Any funds raised through this event will go directly to our community her on Martha’s Vineyard. 

💟Every dollar raised helps break the silence, reduce stigma, and create real change in the lives of those affected by suicide. 

Visit link in bio to register or donate 👆💜
💟GPF’s Director of Operations and Communications, Maria Ventura is co-founder of Darkness into Vineyard Light🕯️. This year they are hosting their 8th annual Darkness into Vineyard Light Suicide Prevention and Awareness Walk at the “Bend in the Road”, State Beach, in Edgartown… ➡️TOMORROW SATURDAY, SEPTEMBER 20th 5:00 - 7:00 AM⬅️ 💟The walk will begin before sunrise 🌅 and continue until daybreak. The walk honors the nearly 50,000 people who die by suicide every year. It is a silent yet resonant tribute, turning grief into movement and sorrow into purpose. 💟The symbolism of darkness into light is a powerful metaphor for the journey through depression, representing the transition from despair and isolation to hope and healing. Any funds raised through this event will go directly to our community her on Martha’s Vineyard. 💟Every dollar raised helps break the silence, reduce stigma, and create real change in the lives of those affected by suicide. Visit link in bio to register or donate 👆💜
11 hours ago
View on Instagram |
1/8
🚨Nutrient week! 
It was a busy week for our science 🧪 team with our second to last nutrient day of the season 👏. 
During the field season (June-October) we collect nutrient samples once a month 🗓️and send them to @mblwoodshole for filtering and processing to find out the ➡️nitrogen and phosphorus concentrations in the ponds. 
⭐️Nitrogen and phosphorus are essential to the pond ecosystem, but with too much of these nutrients, algal 🦠blooms can form. 
✴️Stay tuned, nutrient data results will be coming later in the offseason. 

This round of nutrient sampling included 1️⃣ Edgartown Great Pond, 2️⃣Chilmark Pond, 3️⃣Tisbury Great Pond, and 4️⃣Watcha Pond! 

#nutrients #waterquality #sampling #sunny #pond #water #kayak #sky #data #filtering #processing #nitrogen #phosphorus #boat #September #fall #fieldseason
🚨Nutrient week! It was a busy week for our science 🧪 team with our second to last nutrient day of the season 👏. During the field season (June-October) we collect nutrient samples once a month 🗓️and send them to @mblwoodshole for filtering and processing to find out the ➡️nitrogen and phosphorus concentrations in the ponds. ⭐️Nitrogen and phosphorus are essential to the pond ecosystem, but with too much of these nutrients, algal 🦠blooms can form. ✴️Stay tuned, nutrient data results will be coming later in the offseason. This round of nutrient sampling included 1️⃣ Edgartown Great Pond, 2️⃣Chilmark Pond, 3️⃣Tisbury Great Pond, and 4️⃣Watcha Pond! #nutrients #waterquality #sampling #sunny #pond #water #kayak #sky #data #filtering #processing #nitrogen #phosphorus #boat #September #fall #fieldseason
1 day ago
View on Instagram |
2/8
We had a blast hosting young scientists 👩‍🔬 from the @vineyard.montessori . The day kicked off with a morning seine net 🐠🦀🐡, where the students explored the life within Sengekontacket Pond and collected biodiversity data 📊. Back at the lab 🧪 curiosity continued as the students learned about some of our science 🔬 equipment and graphed ✏️their data. 
⭐️Big thank you to the Vineyard Montessori School for bringing eager young minds to explore our pond ecosystems. It was inspiring to see their curiosity and enthusiasm for science in action! 

#greatpondfoundation #grateful #marthasvineyard #oakbluffs #net #fish #crabs #biodiversity #seinenet #beach #beachseine #community #fall #September #class #students #school #science
We had a blast hosting young scientists 👩‍🔬 from the @vineyard.montessori . The day kicked off with a morning seine net 🐠🦀🐡, where the students explored the life within Sengekontacket Pond and collected biodiversity data 📊. Back at the lab 🧪 curiosity continued as the students learned about some of our science 🔬 equipment and graphed ✏️their data. 
⭐️Big thank you to the Vineyard Montessori School for bringing eager young minds to explore our pond ecosystems. It was inspiring to see their curiosity and enthusiasm for science in action! 

#greatpondfoundation #grateful #marthasvineyard #oakbluffs #net #fish #crabs #biodiversity #seinenet #beach #beachseine #community #fall #September #class #students #school #science
We had a blast hosting young scientists 👩‍🔬 from the @vineyard.montessori . The day kicked off with a morning seine net 🐠🦀🐡, where the students explored the life within Sengekontacket Pond and collected biodiversity data 📊. Back at the lab 🧪 curiosity continued as the students learned about some of our science 🔬 equipment and graphed ✏️their data. 
⭐️Big thank you to the Vineyard Montessori School for bringing eager young minds to explore our pond ecosystems. It was inspiring to see their curiosity and enthusiasm for science in action! 

#greatpondfoundation #grateful #marthasvineyard #oakbluffs #net #fish #crabs #biodiversity #seinenet #beach #beachseine #community #fall #September #class #students #school #science
We had a blast hosting young scientists 👩‍🔬 from the @vineyard.montessori . The day kicked off with a morning seine net 🐠🦀🐡, where the students explored the life within Sengekontacket Pond and collected biodiversity data 📊. Back at the lab 🧪 curiosity continued as the students learned about some of our science 🔬 equipment and graphed ✏️their data. 
⭐️Big thank you to the Vineyard Montessori School for bringing eager young minds to explore our pond ecosystems. It was inspiring to see their curiosity and enthusiasm for science in action! 

#greatpondfoundation #grateful #marthasvineyard #oakbluffs #net #fish #crabs #biodiversity #seinenet #beach #beachseine #community #fall #September #class #students #school #science
We had a blast hosting young scientists 👩‍🔬 from the @vineyard.montessori . The day kicked off with a morning seine net 🐠🦀🐡, where the students explored the life within Sengekontacket Pond and collected biodiversity data 📊. Back at the lab 🧪 curiosity continued as the students learned about some of our science 🔬 equipment and graphed ✏️their data. 
⭐️Big thank you to the Vineyard Montessori School for bringing eager young minds to explore our pond ecosystems. It was inspiring to see their curiosity and enthusiasm for science in action! 

#greatpondfoundation #grateful #marthasvineyard #oakbluffs #net #fish #crabs #biodiversity #seinenet #beach #beachseine #community #fall #September #class #students #school #science
We had a blast hosting young scientists 👩‍🔬 from the @vineyard.montessori . The day kicked off with a morning seine net 🐠🦀🐡, where the students explored the life within Sengekontacket Pond and collected biodiversity data 📊. Back at the lab 🧪 curiosity continued as the students learned about some of our science 🔬 equipment and graphed ✏️their data. ⭐️Big thank you to the Vineyard Montessori School for bringing eager young minds to explore our pond ecosystems. It was inspiring to see their curiosity and enthusiasm for science in action! #greatpondfoundation #grateful #marthasvineyard #oakbluffs #net #fish #crabs #biodiversity #seinenet #beach #beachseine #community #fall #September #class #students #school #science
1 week ago
View on Instagram |
3/8
🌿In these past few weeks we joined scientists 👩‍🔬 from @mblwoodshole and spent time out in the coves 🛶💧of #edgartowngreatpond and #chilmarkpond @chilmarkpondfoundation collecting wetland plants 🌱

➡️Why❓to asses how much and what type of #nitrogen they capture….

👏Thank you @botanicliz @sheriffsmeadow for coming out with us and sharing your expertise on identifying wetland 🍃plants!

✨Stay tuned, results will be coming within the year after processing and analysis! 
#marthasvineyard #wetlands #plants #study #nitrogen #science #nature #coves #pond
🌿In these past few weeks we joined scientists 👩‍🔬 from @mblwoodshole and spent time out in the coves 🛶💧of #edgartowngreatpond and #chilmarkpond @chilmarkpondfoundation collecting wetland plants 🌱 ➡️Why❓to asses how much and what type of #nitrogen they capture…. 👏Thank you @botanicliz @sheriffsmeadow for coming out with us and sharing your expertise on identifying wetland 🍃plants! ✨Stay tuned, results will be coming within the year after processing and analysis! #marthasvineyard #wetlands #plants #study #nitrogen #science #nature #coves #pond
2 weeks ago
View on Instagram |
4/8
EGP: 🦠Cyanobacteria ADVISORY & WATCH - MV CYANO has detected elevated levels of cyanobacteria in Edgartown Great Pond and the EDG Board of Health has issued an ADVISORY, WATCH, and ALERT for regions of Edgartown Great Pond. More details are available via our newsletter and website. #greatpondfoundation #edgartowngreatpond #marthasvineyard #mv #mvy #edgartown #oakbluffs #vineyardhaven #westtisbury #chilmark #aquinnah #capeandislands #beach #pond #cyanobacteria #mvcyano #publichealth #waterquality
EGP: 🦠Cyanobacteria ADVISORY & WATCH - MV CYANO has detected elevated levels of cyanobacteria in Edgartown Great Pond and the EDG Board of Health has issued an ADVISORY, WATCH, and ALERT for regions of Edgartown Great Pond. More details are available via our newsletter and website. #greatpondfoundation #edgartowngreatpond #marthasvineyard #mv #mvy #edgartown #oakbluffs #vineyardhaven #westtisbury #chilmark #aquinnah #capeandislands #beach #pond #cyanobacteria #mvcyano #publichealth #waterquality
3 weeks ago
View on Instagram |
5/8
Today felt like a safari as we ventured to the heads of coves of #EdgartownGreatPond. We are joined by scientists from @mblwoodshole and @sheriffsmeadow in order to identify and collect #wetland plants and assess how much and what type of #nitrogen they capture. Wetland plants 🌱 may be one of the solutions to combatting nitrogen pollution. Stay tuned 🗓️, results will be coming within the year. Preliminary data 📈 are promising. Wetlands capture both carbon and nitrogen and are good for the ponds💧 and the planet 🌏. Thanks 🙏 to our collaborators and to all those who provided access. #greatpondfoundation #marthasvineyard #greatpnd #pond #natureisthesolution #plants #boat #kayak #science #collaboration
Today felt like a safari as we ventured to the heads of coves of #EdgartownGreatPond. We are joined by scientists from @mblwoodshole and @sheriffsmeadow in order to identify and collect #wetland plants and assess how much and what type of #nitrogen they capture. Wetland plants 🌱 may be one of the solutions to combatting nitrogen pollution. Stay tuned 🗓️, results will be coming within the year. Preliminary data 📈 are promising. Wetlands capture both carbon and nitrogen and are good for the ponds💧 and the planet 🌏. Thanks 🙏 to our collaborators and to all those who provided access. #greatpondfoundation #marthasvineyard #greatpnd #pond #natureisthesolution #plants #boat #kayak #science #collaboration
1 month ago
View on Instagram |
6/8
A dead Portuguese man o’ war (Physalia physalis)  has been reported on the Edgartown Great Pond beach 🏖️, to the west of the breach area. These stinging colonial organisms show up in our waters from time to time. They are not jellyfish 🪼 but rather a siphonophore. According to @noaa “Beachcombers be warned⚠️: The stalwart man o’ war may still sting you even weeks after having washed ashore.” #beachcombers #beachcombers #beachlife #southshore #marthasvineyard #mvy #edgartown #edgartowngreatpond #beach #portugesemanofwar #siphonophore
A dead Portuguese man o’ war (Physalia physalis) has been reported on the Edgartown Great Pond beach 🏖️, to the west of the breach area. These stinging colonial organisms show up in our waters from time to time. They are not jellyfish 🪼 but rather a siphonophore. According to @noaa “Beachcombers be warned⚠️: The stalwart man o’ war may still sting you even weeks after having washed ashore.” #beachcombers #beachcombers #beachlife #southshore #marthasvineyard #mvy #edgartown #edgartowngreatpond #beach #portugesemanofwar #siphonophore
1 month ago
View on Instagram |
7/8
Summer 😎is flying by with another busy week for MV CYANO! Swipe ➡️ to see the updated 🗺️ maps from this sampling week. As always, be sure to follow MV CYANO recommendations (last slide) and check out our website for weekly updates on your favorite 💧 pond! 🔗 in bio ☝️

#mvcyano #greatpondfoundation #science #august #summer #data #ponds #coastal #marthasvineyard #cyanobacteria #waterquality #maps #weekly #testing #updates #capeandislands #birds #calm #outside #sun #bloom
Summer 😎is flying by with another busy week for MV CYANO! Swipe ➡️ to see the updated 🗺️ maps from this sampling week. As always, be sure to follow MV CYANO recommendations (last slide) and check out our website for weekly updates on your favorite 💧 pond! 🔗 in bio ☝️

#mvcyano #greatpondfoundation #science #august #summer #data #ponds #coastal #marthasvineyard #cyanobacteria #waterquality #maps #weekly #testing #updates #capeandislands #birds #calm #outside #sun #bloom
Summer 😎is flying by with another busy week for MV CYANO! Swipe ➡️ to see the updated 🗺️ maps from this sampling week. As always, be sure to follow MV CYANO recommendations (last slide) and check out our website for weekly updates on your favorite 💧 pond! 🔗 in bio ☝️

#mvcyano #greatpondfoundation #science #august #summer #data #ponds #coastal #marthasvineyard #cyanobacteria #waterquality #maps #weekly #testing #updates #capeandislands #birds #calm #outside #sun #bloom
Summer 😎is flying by with another busy week for MV CYANO! Swipe ➡️ to see the updated 🗺️ maps from this sampling week. As always, be sure to follow MV CYANO recommendations (last slide) and check out our website for weekly updates on your favorite 💧 pond! 🔗 in bio ☝️

#mvcyano #greatpondfoundation #science #august #summer #data #ponds #coastal #marthasvineyard #cyanobacteria #waterquality #maps #weekly #testing #updates #capeandislands #birds #calm #outside #sun #bloom
Summer 😎is flying by with another busy week for MV CYANO! Swipe ➡️ to see the updated 🗺️ maps from this sampling week. As always, be sure to follow MV CYANO recommendations (last slide) and check out our website for weekly updates on your favorite 💧 pond! 🔗 in bio ☝️

#mvcyano #greatpondfoundation #science #august #summer #data #ponds #coastal #marthasvineyard #cyanobacteria #waterquality #maps #weekly #testing #updates #capeandislands #birds #calm #outside #sun #bloom
Summer 😎is flying by with another busy week for MV CYANO! Swipe ➡️ to see the updated 🗺️ maps from this sampling week. As always, be sure to follow MV CYANO recommendations (last slide) and check out our website for weekly updates on your favorite 💧 pond! 🔗 in bio ☝️

#mvcyano #greatpondfoundation #science #august #summer #data #ponds #coastal #marthasvineyard #cyanobacteria #waterquality #maps #weekly #testing #updates #capeandislands #birds #calm #outside #sun #bloom
Summer 😎is flying by with another busy week for MV CYANO! Swipe ➡️ to see the updated 🗺️ maps from this sampling week. As always, be sure to follow MV CYANO recommendations (last slide) and check out our website for weekly updates on your favorite 💧 pond! 🔗 in bio ☝️

#mvcyano #greatpondfoundation #science #august #summer #data #ponds #coastal #marthasvineyard #cyanobacteria #waterquality #maps #weekly #testing #updates #capeandislands #birds #calm #outside #sun #bloom
Summer 😎is flying by with another busy week for MV CYANO! Swipe ➡️ to see the updated 🗺️ maps from this sampling week. As always, be sure to follow MV CYANO recommendations (last slide) and check out our website for weekly updates on your favorite 💧 pond! 🔗 in bio ☝️

#mvcyano #greatpondfoundation #science #august #summer #data #ponds #coastal #marthasvineyard #cyanobacteria #waterquality #maps #weekly #testing #updates #capeandislands #birds #calm #outside #sun #bloom
Summer 😎is flying by with another busy week for MV CYANO! Swipe ➡️ to see the updated 🗺️ maps from this sampling week. As always, be sure to follow MV CYANO recommendations (last slide) and check out our website for weekly updates on your favorite 💧 pond! 🔗 in bio ☝️

#mvcyano #greatpondfoundation #science #august #summer #data #ponds #coastal #marthasvineyard #cyanobacteria #waterquality #maps #weekly #testing #updates #capeandislands #birds #calm #outside #sun #bloom
Summer 😎is flying by with another busy week for MV CYANO! Swipe ➡️ to see the updated 🗺️ maps from this sampling week. As always, be sure to follow MV CYANO recommendations (last slide) and check out our website for weekly updates on your favorite 💧 pond! 🔗 in bio ☝️

#mvcyano #greatpondfoundation #science #august #summer #data #ponds #coastal #marthasvineyard #cyanobacteria #waterquality #maps #weekly #testing #updates #capeandislands #birds #calm #outside #sun #bloom
Summer 😎is flying by with another busy week for MV CYANO! Swipe ➡️ to see the updated 🗺️ maps from this sampling week. As always, be sure to follow MV CYANO recommendations (last slide) and check out our website for weekly updates on your favorite 💧 pond! 🔗 in bio ☝️

#mvcyano #greatpondfoundation #science #august #summer #data #ponds #coastal #marthasvineyard #cyanobacteria #waterquality #maps #weekly #testing #updates #capeandislands #birds #calm #outside #sun #bloom
Summer 😎is flying by with another busy week for MV CYANO! Swipe ➡️ to see the updated 🗺️ maps from this sampling week. As always, be sure to follow MV CYANO recommendations (last slide) and check out our website for weekly updates on your favorite 💧 pond! 🔗 in bio ☝️ #mvcyano #greatpondfoundation #science #august #summer #data #ponds #coastal #marthasvineyard #cyanobacteria #waterquality #maps #weekly #testing #updates #capeandislands #birds #calm #outside #sun #bloom
1 month ago
View on Instagram |
8/8
bg-video

Eelgrass in Edgartown Great Pond

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