A watercraft is a vehicle designed to float on and move across (or through) water for pleasure, physical exercise (in the case of many small boats), transporting people and/or goods, or military missions.

The common need for buoyancy unites all watercraft, and makes each one's hull a dominant aspect of its construction, maintenance, and appearance.

Most watercraft would be described as either ships or boats; although nearly all ships are larger than nearly all boats, the distinction between those two categories is not one of size per se.

• A rule of thumb says "a boat can fit on a ship, but a ship can't fit on a boat", and a ship usually has sufficient size to carry its own boats, such as lifeboats, dinghies, or runabouts.
• Often local law and regulation will define the exact size (or the number of masts) that distinguishes a ship from boats.
• Traditionally submarines were called "boats", perhaps reflecting their cramped conditions: small size reduces the need for power, and thus the need to surface or snorkel for a supply of the air that running diesel engines requires; in contrast, nuclear-powered submarines' reactors supply abundant power without consuming air, and such craft are large, much roomier, and classed as ships.

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35% off all in-stock personal watercraft accessories!
Big1Motorsports (BIG#1 Motorsports) Fri, 06 Nov 2009 19:19:12 -0000
35% off all in-stock personal watercraft accessories!
Moving a boat around on land is no picnic. Your graceful watercraft is suddenly more like a beached whale.... http://reduce.li/6e1ptx #boat
blogsoftheworld (blogs of the world) Fri, 06 Nov 2009 17:26:33 -0000
Moving a boat around on land is no picnic. Your graceful watercraft is suddenly more like a beached whale.... http://reduce.li/6e1ptx #boat
Rick and I plan to avoid the wind tomorrow and fish Dixie County creeks from my Native Watercraft boats--then home for the Vandy/UF game.
capttommy (capttommy) Fri, 06 Nov 2009 15:29:05 -0000
Rick and I plan to avoid the wind tomorrow and fish Dixie County creeks from my Native Watercraft boats--then home for the Vandy/UF game.
Don't take lessons from this guy on driving a watercraft vessel. http://bit.ly/15hTsa :-)
Ned90Apple (Ned Apple) Fri, 06 Nov 2009 13:26:15 -0000
Don't take lessons from this guy on driving a watercraft vessel. http://bit.ly/15hTsa :-)
Cargo transport device for towing behind watercraft [5524914] http://bit.ly/La7OX
tweetalot (tweetalot) Fri, 06 Nov 2009 13:00:24 -0000
Cargo transport device for towing behind watercraft [5524914] http://bit.ly/La7OX
Don't take lessons from this guy on driving a watercraft vessel. http://bit.ly/15hTsa :-)
fineLArchie8989 (Archie L. Fine) Fri, 06 Nov 2009 07:41:20 -0000
Don't take lessons from this guy on driving a watercraft vessel. http://bit.ly/15hTsa :-)

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