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Castle Island Ventures
Castle Island Ventures is a venture capital firm focused exclusively on public blockchains. The firm invests in early-stage companies at the intersection of...
Castle Island Ventures
Castle Island Ventures is a venture capital firm focused exclusively on public blockchains. The firm invests in early-stage companies at the intersection of traditional finance and public blockchains, supporting infrastructure and application companies. Its mission is to help transformative protocols reach their full potential by accelerating frictionless finance.
General information
Firm type
Venture Capital
Year founded
2018
Location
Region
North America
Country
United States
City
Boston
Corporate office
Boston, MA, United States
Principals
Nic Carter
General Partner
Matt Walsh
General Partner
Sector focus
Frequently asked questions
What is Castle Island Ventures?
Castle Island Ventures is a venture capital headquartered in Boston, United States.
When was Castle Island Ventures founded?
Castle Island Ventures was founded in 2018.
Where is Castle Island Ventures headquartered?
Castle Island Ventures is headquartered in Boston, United States, in the North America region.
What does Altss track for Castle Island Ventures?
Altss maintains an OSINT-verified profile of Castle Island Ventures covering investment focus (ESG policy, ticket size, target IRR, currency preference, regional focuses, industry focuses, technological focuses), team (service providers and advisors), deals (company deals and fund commitments), and network (associations and event participation). Detailed values are available to Altss subscribers.
What is Castle Island Ventures's website?
Castle Island Ventures's public website is castleisland.vc. Verified contact details for principals and decision-makers are available to Altss subscribers.
What type of firm is Castle Island Ventures?
Castle Island Ventures is classified by Altss as a Venture Capital, operating from United States within the North America region.
How does Altss source intelligence on Castle Island Ventures?
Altss combines OSINT (open-source intelligence) with regulatory filings, public disclosures, and licensed data partners. Source provenance is tracked to support compliance-ready research workflows.
When was Castle Island Ventures's Altss profile last updated?
Castle Island Ventures's profile on Altss was last refreshed on July 10, 2026. Continuous updates are applied as new public information is verified.
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.
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