Castle Island Ventures is a Micro VC tracked by The Signal, based in United States.
| Date | Company | Round | Amount |
|---|---|---|---|
| 2026-01-14 | Project Eleven | Series A | $20M |
| 2025-06-18 | Project Eleven | Seed | $6M |
| 2024-12-02 | CAT Labs | Seed | $5.4M |
| 2024-04-09 | Monad | Series A | $225M |
| 2023-04-10 | CAT Labs | Pre-Seed | $4.3M |
| 2021-12-07 | TRM Labs | Series B | $60M |
Data from The Signal by Return on Security — cybersecurity funding and investor intelligence.