Welcome to Seavey Island, ME
Seavey Island sits on the north side of Portsmouth Harbor. The debate over whether it is located in Maine or New Hampshire has gone on for generations, though court rulings have put the island in Maine.
Several U.S. Navy activities, including the Portsmouth Naval Shipyard and a regional medical clinic, are on Seavey Island.
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Harbormaster in Seavey Island, ME
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Online Nautical Chart for Seavey Island, ME
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FEATURED CONTENT
In The Zone: The Sabre 51 Salon Express
By US Harbors When Sabre Yachts completed construction of hull number 200 of its 48 Salon Express model, more than half the crew who built it had also worked on hull number one. The average tenure on that line was 12 years, and they produced a yacht that proved to… Learn More
Coastal News Updates See All
Remarkably Bright Creatures: A Story of Octopus Intelligence Set in the Pacific Northwest
By Janet Green Hammerman, best4boats.com. The Netflix adaptation of Shelby Van Pelt’s bestselling novel Remarkably Bright Creatures is drawing renewed attention to one of the ocean’s most fascinating inhabitants — the giant Pacific octopus. Set in a fictional Pacific Northwest coastal town, the story follows an aging widow, a drifting… SEE MORE
A Year in the Life of Larry the Whale Shark
By fisheries.noaa.gov, fisheries.noaa.gov. One year ago today, researchers deployed a satellite tag on a whale shark off the coast of Tampa Bay, Florida. They never could have anticipated the epic journey that would ensue. On May 28, 2025, researchers set out from Boca Ciega Bay, Florida, heading into the Gulf… SEE MORE
The Coast Is Clear-er: NOAA Unveils New Land Cover Maps 900 Times Greater In Detail
By noaa.gov, noaa.gov. NOAA is releasing new, higher-resolution land cover maps for coastal Alabama, Mississippi, Northeastern Ohio, Rhode Island, and the Puget Sound in Washington. The data will be made available through the Digital Coast website and will provide these communities with better information for decisions related to stormwater management, water quality… SEE MORE
