The Amel Yacht Owners Mailing List (For owners of yachts built by Chantiers Amel in La Rochelle, France: Kirk, Meltem, Fango, L'Euros, Mango, Maramu, Sharki, Santorin and Super Maramu)
The Backyard Boatbuilding 2 Mailing List (Discussion about George Buehler's boats and those of other designers that also advocate simple boats that are "Hell for Stout")
The BadgerOwnerBuilders Mailing List (For those who own, are building or want to build, or are just plain fans of Jay Benford's junk rigged sailing dory Badger and her relatives)
The Boatdesign Mailing List (Discussing topics of interest to designers and builders of small, low-cost boats up to 20ft, usually for cruising and other non-competitive purposes)
The BoatingABC Forum ("to help every boater live the boating lifestyle to the fullest!")
The Canadian Space Geodesy Forum (Scientists and engineers working with the techniques of space geodesy: Navstar, GPS, Glonass, Transit, very long baseline interferometry, satellite laser ranging, satellite altimetry, etc.)
The Canoes Northwest Mailing List (Native paddle journeys of the Pacific Northwest and cultural events and activities relating to them)
The Cape Dory Board (An on-line meeting place for all Cape Dory owners and groups)
Captain Wiki (The cruisers' guide to the seven seas)
ClassicYacht ("Developed for the benefit of classic yacht enthusiasts who desire a forum where they may share not only our common interest, but also our passion for the traditional yachts of yesteryear")
The Denbigh Project Mailing List (An announcement list for developments in the archaeological study of the American Civil War blockade runner Denbigh, destroyed at Galveston, Texas in 1865)
Dieselnet: Diesel Emissions Online (Internet forum to facilitate the exchange of technical and business information on diesel emissions and their control)
The Dory Boat Mailing List (Discussing the use and setup of dories. Whitehalls, melonseeds, peapods, Jersey skiffs, Sea Brights, gigs and other small boats)
The H-Maritime Mailing List (For scholars interested in maritime history to discuss research interests, teaching methods and the state of maritime affairs)
The Humber Ships Mailing List (Exchanging information about ships and shipping movements in the River Humber area of the UK and the areas that trade with it)
I Boat Northwest (An online community of Pacific Northwest power cruising enthusiasts)
The Irish Sea Ships Mailing List (For enthusiasts and professionals interested in ships and port operations on the Irish and Celtic Seas and adjacent areas)
The Marine-Marchande Mailing List (To speak about the ships, the sailors, the ports, the history and the future of French and foreign merchant shipping)
The Mariners-L Mailing list (Dedicated to research into the mariners and ships of the merchant marine and the world's navies)
The Marinette Delphi Forum (For Marinette owners, aluminum Roamer owners and other aluminum boat boaters)
The QCYC Tender Mailing List (Gathering research comparing ICE and electric motors, playing with ideas for an efficient 40-person ferryboat service across Toronto harbour)
SUB-ARCH (The underwater archaeology discussion list)
The Sultana Log (Logbook entries from the colonial schooner HMS Sultana - 1770 and later images of the replica building project, and notes from a volunteer's viewpoint)
The Teesmaritime Mailing List (For the exchange of merchant shipping news, information, queries, and photographs, mainly concerning the major ports of the River Tees and Hartlepool)
TheShipsList-L (Discussing the ships our ancestors migrated on)
The Warriorgroup Mailing List (A group dedicated to building the HMS Warrior of 1781 using the Fra Romero Practicum, also for anyone scratch building using the Harlod Hahn building method)
The Western Rivers Mailing List (devoted to the Western Rivers steamboats of North America, operating on the Mississippi and its tributaries, focusing on historical research, operational practices and archaeology of riverboats)
The Yacht-L Mailing List (A virtual yacht club and a discussion list about sailing, yachting, cruising, racing, sail trimming, boat maintenance, rigging, stories about sailing, history sometimes, boat building and repair)