Castle Island Ventures
Castle Island Ventures is a venture capital fund investing in United States, focused on Fintech, Web3, Cybersecurity and B2B SaaS. They write Pre-seed and Seed cheques. We hold 23 investments for them on record. 1 person is listed at the firm.
castleisland.vc- Geographies
- United States
- Cheque size
- Not on record
What Castle Island Ventures invests in
Backs Fintech, Web3, Cybersecurity companies.
People at Castle Island Ventures
1 named person on record.
- Infoi•••••@castleisland.vc
Contact addresses at Castle Island Ventures are partly hidden. Create a free account to see full addresses, a fit score against your own startup, and an outreach email written for this investor.
Castle Island Ventures portfolio
23 investments on record. Each row says whether the round came from the fund's own portfolio page or from the press, so you can check it.
| Company | Sector | Round | Amount | Date |
|---|---|---|---|---|
| Web3Israel | — | $8.1M | Aug 2025 | |
| Deep TechUnited Kingdom | — | $6M | Jun 2025 |
21 more investments on record for Castle Island Ventures.
The first two are open to everyone. A free account opens the rest — the company, the round, the amount, the date and where each number came from. No card, no demo call.
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