Main Page | See live article | Alphabetical index A gulf or bay is a part of a lake or ocean that extends so that it is surrounded by land on three sides. Well-known bays and gulfs (in alphabetic order) include: Gulf of Finland Gulf of Mexico Persian Gulf Red Sea San Francisco Bay A couple of non-gulfs (actually straits) are: Gulf of Oman Gulf of Aden See also Physical geography This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.