List of Important Straits Written by Scott Spires Scott Spires is Associate Editor for Geography at Encyclopædia Britannica. Scott Spires Fact-checked by Britannica Editors Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Britannica Editors Last updated Apr. 22, 2026 •History Straits are narrow waterways that link two larger bodies of water. Commonly straits are formed by tectonic activity, such as a fracture in an isthmus. Alternatively straits can appear due to water overflowing an area of eroded or subsided land. A canal, though it may function in the same way as a strait, is an artificially constructed waterway between two bodies of water, generally built for purposes of maritime transportation. Certain straits are of great...

　　.eb-448-paywall-overlay { position: relative; background: white; border: 2px solid #93c5fd; border-radius: 16px; text-align: center; box-shadow: 0 4px 8px 0px #bfdbfe; width: 100%; overflow: hidden; } .eb-448-paywall-overlay-padding { padding: 40px 48px; } .eb-448-paywall-simple { border: 2px solid #93c5fd; } .eb-448-decorative-left-simple, .eb-448-decorative-right-simple { position: absolute; top: 50%; transform: translateY(-50%); } .eb-448-decorative-left-simple { left: 0px; transform: translateY(-50%) scaleX(-1); } .eb-448-paywall-simple .eb-448-decorative-right-simple { right: 0; } .eb-448-paywall-content { position: relative; z-index: 15; } .eb-448-header-section { display: flex; align-items: center; justify-content: center; gap: 12px; margin-bottom: 8px; } .eb-448-features { display: flex; justify-content: center; align-items: center; gap: 12px; margin-bottom: 32px; font-size: 14px; color: #525252; } .eb-448-features-simple { color: #6b6b6b; } .eb-448-feature-free-trial { display: flex; align-items: center; gap: 12px; color: black; } .eb-448-feature-secondary { display: flex; align-items: center; gap: 12px; } .eb-448-feature { font-weight: 600; } .eb-448-feature.simple { font-weight: 400; } .eb-448-feature.bold { color: balck; font-weight: 700; } .eb-448-feature.blue { color: #14599d; } .eb-448-divider { color: #cbd5e0; font-weight: 300; } .eb-448-unsubscribe-text { color: #525252; margin-bottom: 8px; font-size: 14px; font-weight: 600; } .eb-448-unsubscribe-text-simple { font-weight: 400; color: #6b6b6b; } .eb-448-decorative-left { position: absolute; top: 0; left: 0; height: 100%; z-index: -1; } .eb-448-decorative-right { position: absolute; right: 0; top: 0; height: 100%; } .eb-448-decorative-image { height: 100%; } .eb-448-decorative-mobile { width: 100%; display: none; img { width: 100%; } } @media (max-width: 672px) { .eb-448-features { gap: 8px; font-size: 12px; } .eb-448-unsubscribe-text { font-size: 12px; } .eb-448-decorative-left, .eb-448-decorative-right { display: none; } .eb-448-decorative-mobile { display: flex; } .eb-448-paywall-overlay-padding { padding: 20px 24px; } .eb-448-features-simple { flex-direction: column; } .eb-448-feature-free-trial .eb-448-divider { display: none; } .eb-448-thistle-icon { filter: blur(2px); } }

　　Discover the world with Britannica Subscribe to Continue Reading Free Trial | No Ads | Exclusive Content Unsubscribe Anytime!

　　Explore Subscriptions