- 32.75241-79.874961 Battle of Fort Sumter — First Battle of Fort Sumter April 12-13, 1861 First shots of the naval war fired, first battle of the war
- 32.25-80.669 Battle of Port Royal — Battle of Port Royal November 7, 1861 First major naval battle of the war
- 36.796-89.16711 Battle of Lucas Bend — Battle of Lucas Bend January 11, 1862 First battle involving Union ironclads in the war
- 36.983333-76.31972214 Battle of Hampton Roads — Battle of Hampton Roads March 8-9, 1862 First naval battle between two ironclad warships
- 36.4588-89.470816 Battle of Island Number Ten — Battle of Island Number Ten February 28 - April 8, 1862 First Confederate defeat on the Mississippi River
- 35.70008-89.9403617 Battle of Plum Point Bend — Battle of Plum Point Bend May 10, 1862 First sinking of Union ironclads by Confederate River Defense Fleet
- 35.1291-90.155819 Battle of Memphis — Battle of Memphis June 6, 1862 Confederate River Defense Fleet destroyed by Union rams and ironclad gunboats
- 34.016667-91.34527825 Battle of Fort Hindman — Battle of Fort Hindman January 9-11, 1863 Led to the largest surrender of Confederate troops west of the Mississippi River prior to the end of the war
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- 32.7512-79.8647938 CSS David — CSS David becomes the first torpedo boat to make a successful attack on an enemy warship in combat
- 32.856667-79.95888941 H. L. Hunley (submarine) — H. L. Hunley becomes the first submarine to sink an enemy warship in combat
- -12.854167-38.59722247 Bahia Incident — Bahia Incident October 7, 1864 Led to the capture of the Confederate raider CSS Florida, international incident with Brazil
- 37.41541-77.3958950 Battle of Trent's Reach — Battle of Trent's Reach January 23-25, 1865 Final major naval battle of the war
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