Castle Island Ventures

Venture Capital

We invest in various sectors.

Boston, United States · 36+ investments

Pre-Seed
Early Stage
Seed
Crypto & Web3
Headquarters
Boston, United States
Founded
2018
AUM
$400.0M
Total Investments
36
Last Investment
Jan 2026
Geographic Focus
Global

Investment Thesis

We invest in various sectors.

Castle Island Ventures is a Venture Capital firm based in Boston, United States. It has made 36 investments in Crypto & Web3.

Investment History

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