
Castle Island
About
Castle Island Ventures is a venture capital firm based in Boston, Massachusetts, founded in 2018. They focus exclusively on public blockchains and invest in infrastructure and application companies.
Key facts
- Website
- castleisland.vc
- Type
- Venture Capital
- Headquarters
- Cambridge, United States
- Portfolio companies
- 6
- Stages
- SeedSeries A
- Cheque size
- $8M to $40M
- Sector focus
- AuthenticationWalletWeb3BlockchainFintech
Recent investments
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Frequently asked
What companies has Castle Island invested in?
Castle Island has invested in SendBlocks, Dynamic, FORDEFI, Talos, Kite AI and 1 more.
SEC filings, insider activity, nonprofit links and pay benchmarks for Castle Island:


