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Castle Island Ventures

Micro VCActive

Castle Island Ventures is a venture capital firm,

Cambridge, United StatesFounded 2017castleisland.vc/
14
Investments
2
Exits
$500M
AUM
14.3%
Exit Rate

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Investment Thesis & Strategy

Castle Island Ventures invests in various stages of crypto and Web3 companies, seeking to back founders building the future of the decentralized internet.

Investment Activity

Deals per year over the last 4 years

1
2018
1
2019
1
2020
9
2021

Portfolio Companies

Selected investments from their portfolio of 14 companies

A
Amber Group
Fintech · Series B, 2021
Active
A
Anchorage Digital
Crypto/Web3 · Series B, 2021
Active
T
TaxBit
Fintech · Series A, 2021
Active
O
OpenSea
Crypto/Web3 · Series A, 2021
Active
M
Messari
Crypto/Web3 · Series A, 2021
Active
B
Blockdaemon
Crypto/Web3 · Series A, 2021
Active
d
dYdX
Crypto/Web3 · Series A, 2021
Active
T
The Block
Media/Content · Series A, 2021
Active
A
Arweave
Crypto/Web3 · Series A, 2021
Active
F
Fireblocks
Crypto/Web3 · Series B, 2020
Active
B
BlockFi
Fintech · Series A, 2019
Active
G
Gemini
Crypto/Web3 · Series A, 2018
Active

Notable Exits

CompanyTypeYearValue / Acquirer
PaxosAcquisition2024—
BlockFiAcquisition2023—

Frequently Asked Questions

Castle Island Ventures focuses on Seed, Series A stage investments.

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