An examination of the mid-seventeenth century maritime battles between Ireland, England, and Scotland, showing them to have had a dramatic impact on the overall conflict.

Glossary
Introduction
The outbreak and spread of the rebellion, October 1641-September 1643
'Weathering the storm', September 1643-July 1646
'Infested with pirates', August 1646-August 1649
The support of the navy, September 1649-April 1653
A job done well enough? The parliamentary naval effort in Ireland, 1641-1653
For the defence of the coasts of this realm: the confederate naval effort, 1641-1653
Fighting the war at sea in Ireland, 1641-1653
Conclusion
Appendix 1. Parliamentary summer and winter guards for Ireland, 1642-53
Appendix 2. Identified Confederate/Irish privateers, 1642-52
Appendix 3. Parliamentary prizes in Ireland, 1641-53
Appendix 4. Confederate and Irish prizes, 1642-52
Appendix 5. Parliamentary warships lost on the Irish coast, 1641-53
Appendix 6. Prominent parliamentary shipowners on the Irish coast
Bibliography