sea fort

A sea fort is a fortified structure built on or near the sea, typically on artificial islands, rocks, or coastal waters, designed to defend harbors, coastlines, or strategic maritime routes.

Observed surface forms (6)

• fort ×11
• coastal fortress ×3
• coastal defence fort ×1
• fortified island ×1
• maritime fortification ×1
• sea fortress ×1

Instances (18)

• Inchgarvie via concept surface "fortified island"
• Fort Amsterdam via concept surface "fort"
• Jhansi via concept surface "fort"
  surface form: Jhansi Fort
• Fort William, Kolkata via concept surface "fort"
• Jodhpur via concept surface "fort"
  surface form: Mehrangarh Fort
• Amber Fort via concept surface "fort"
• Fort Jefferson via concept surface "coastal fortress"
• Bharatpur via concept surface "fort"
  surface form: Lohagarh Fort
• Royal Citadel via concept surface "coastal fortress"
• Srirangapatna via concept surface "fort"
  surface form: Srirangapatna Fort
• Fort Scratchley via concept surface "coastal defence fort"
• Fort Frederick via concept surface "coastal fortress"
• Forte de São Sebastião de Castro Marim via concept surface "fort"
• Ranikot Fort via concept surface "fort"
• Kot Diji via concept surface "fort"
  surface form: Kot Diji Fort
• Fort Willem Hendrick via concept surface "fort"
• Fort Sumter
• Suomenlinna sea fortress via concept surface "sea fortress"
  surface form: Suomenlinna