Castle Island

SEC-filed

Castle Island is a micro VC based in Boston, MA, investing at Pre-seed and Seed, with typical checks around $100K to $750K. See stage focus, check size, and sector coverage on Lunra.

Fintech Crypto

Type	Micro VC
Stage focus	Pre-seed, Seed
Typical check	$100K to $750K
Based in	Boston, MA
Website	castleisland.vc

Focus areas

Where Castle Island concentrates within its sectors, derived from filing history.

Crypto

Is Castle Island right for your raise?

Stage and check size tell you whether a firm could write your round. They do not tell you whether this one will. Lunra scores Castle Island against your specific deal on thesis fit, capital freshness, and reachability, then shows the warm paths you already have into the firm.

Facts on this page derive from public SEC Form D filings and the firm’s own website. Lunra publishes firm-level information only, never personal contact details.

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