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Investor profile:
Castle Island Ventures logo
Castle Island Ventures

Address:Cambridge, Massachusetts, United States
Country:

Full sector breakdown is available in the dashboard for Startup and Professional plans.

Tags:

FintechHardwareIndustrialInfrastructureMediaSoftware
Castle Island Ventures is a venture capital firm,
Deals total56
As lead investor275Also as a second investor: 0
As a second investor32

Last investment deals

1 deals are fully available for you (from 56 records in total)
February 13, 2026USD 2.5mLead investor
Birch Hill raises $2.5m for onchain lending
Company site
January 15, 2026 
November 6, 2025 
October 22, 2025 
July 31, 2025