Welcome
Castle Island is located in Boston Harbor and is famous
for historically protecting the city from attack by sea
Castle Island Partners is a private equity firm
founded in 2005 by Ryan Kim with a
focus on providing both capital and
valuable strategic resources to growing
middle market companies.
We look to partner with owners and management teams to help their enterprises successfully maneuver the challenges that come with growth or shifting industry forces.
We look to partner with owners and management teams to help their enterprises successfully maneuver the challenges that come with growth or shifting industry forces.