Data sourced from SEC EDGAR filingsCompiled by Free Startup Funding DatabaseLast updated: Oct 2026
SEC Form D Verified4 Funds Tracked

Castle Island Ventures

Venture Capital Firm | Contact & Fund History

HINGHAM, MA
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Funds Tracked

4

Latest Fund

Castle Island Ventures IV, L.P.

How to Contact Castle Island Ventures

Official Contact Channels

castleisland.vc

General Partners

Matthew Walsh; Nicolas Carter; Sean Judge

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5 team members listed on the firm's website

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Castle Island Ventures Team

  • Matthew Walsh

    Founding Partner

  • Nic Carter

    Founding Partner

  • Sean Judge

    General Partner

  • Rich Sgalardi

    General Partner

  • Hunter Merghart

    Venture Partner

Listed on the firm's own website: castleisland.vc. Titles can change; check the firm's site before reaching out.

Fund History

Castle Island Ventures III, L.P.

Castle Island Ventures III-A, L.P.

Castle Island Ventures II-A, L.P.

Castle Island Ventures IV, L.P.

Frequently Asked Questions

How do I contact Castle Island Ventures?

To contact Castle Island Ventures: visit castleisland.vc; their team of 5 is listed on their website.

How many funds has Castle Island Ventures raised?

Castle Island Ventures has raised 4 tracked funds.

Where is Castle Island Ventures located?

Castle Island Ventures is headquartered in HINGHAM, MA.

Firm Details

Fund Family Size3

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Data Sources: SEC EDGAR filings, company disclosures, and verified public records.

Profile updated: Oct 23, 2026