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All funds

Fund Name:

Castle Island Ventures

Invested projects:

93 top 10 investors

invested projects

1 - 20 of 80
#
Project
Round
Date
Raised
Project category
Investors
01
Seed
Mar 2026
Raised
25000000
Finance/Banking Lending/Borrowing
Investors:
Castle Island Ventures | Lead investor SIG DTI (a Susquehanna International Group Company) Maven 11 Capital
Castle Island Ventures , SIG DTI (a Susquehanna International Group Company), Maven 11 Capital
02
Series A
Mar 2026
Raised
17000000
Finance/Banking Infrastructure Payment
Investors:
Castle Island Ventures | Lead investor Coinbase Ventures HAUN Ventures
Castle Island Ventures , Coinbase Ventures, HAUN Ventures
03
Unknown
Mar 2026
Raised
8000000
Infrastructure Payment Stablecoin
Investors:
Castle Island Ventures F-Prime Capital Shift4 Payments
Castle Island Ventures , F-Prime Capital, Shift4 Payments
04
Pre-seed
Feb 2026
Raised
2500000
DeFi Infrastructure Real-World Assets
Investors:
ParaFi Capital | Lead investor Castle Island Ventures | Lead investor Nascent +6
ParaFi Capital , Castle Island Ventures, Nascent, FalconX, The Operating Group, Polaris Fund, Escape Velocity, JST Digital, Flowdesk
05
Series A
Jan 2026
Raised
20000000
Bitcoin Ecosystem Data Service Infrastructure Security
Investors:
Castle Island Ventures | Lead investor Coinbase Ventures Lattice Fund +4
Castle Island Ventures , Coinbase Ventures, Lattice Fund, Variant Fund, Quantonation, Nascent, Balaji Srinivasan
06
Pre-seed
Dec 2025
Raised
2500000
DeFi Lending/Borrowing
Investors:
Prelude (ex Cherry Crypto) Castle Island Ventures Maven 11 Capital
Prelude (ex Cherry Crypto) , Castle Island Ventures, Maven 11 Capital
07
Seed
Nov 2025
Raised
Identity Infrastructure Payment
Investors:
Castle Island Ventures | Lead investor Inflection Placeholder +2
Castle Island Ventures , Inflection, Placeholder, Seed Club Ventures, 1kx
08
Pre-seed
Sep 2025
Raised
2800000
DeFi Insurance
Investors:
Castle Island Ventures | Lead investor GSR Markets LTD Kindred Ventures +8
Castle Island Ventures , GSR Markets LTD, Kindred Ventures, Blockchain Builders Fund (BBF), IDEO CoLab Ventures, Stanford Blockchain Accelerator (SBA), Rocket Pool, Pier Two, Chris Cable, Scott Keto, Charles Lu
09
Strategic
Aug 2025
Raised
9500000
Bitcoin Ecosystem DeFi Ethereum Ecosystem L2
Investors:
Castle Island Ventures Cathay Ledger Fund RockawayX +11
Castle Island Ventures , Cathay Ledger Fund, RockawayX, Asymmetric fund, Hypersphere, IOSG Ventures, Bankless Ventures, Sigil Fund, CMS Holdings, Daedalus, Amber Group, Sats Ventures, Zee Prime Capital, Nathan McCauley
10
Seed
Jul 2025
Raised
28000000
Infrastructure L1 Payment Stablecoin
Investors:
Bitfinex | Lead investor Hack VC | Lead investor USDT0 | Lead investor +13
Bitfinex , Hack VC, USDT0, Franklin Templeton, Castle Island Ventures, eGirl Capital, ByBit, Mirana Ventures, SIG DTI (a Susquehanna International Group Company), Nascent, Blue Pool Capital, BTSE, KuCoin Ventures, Paolo Ardoino, Nathan McCauley, Gabriel Abed
11
Strategic
Jul 2025
Raised
4100000
DApp DeFi Derivatives DEX Trading
Investors:
Castle Island Ventures | Lead investor Compound Florin Digital +1
Castle Island Ventures , Compound, Florin Digital, Sigil Fund
12
Unknown
Jun 2025
Raised
6000000
Bitcoin Ecosystem Data Service Infrastructure Security
Investors:
Variant Fund | Lead investor Quantonation | Lead investor Castle Island Ventures
Variant Fund , Quantonation, Castle Island Ventures
13
Seed
Jun 2025
Raised
9100000
Finance/Banking Infrastructure Payment
Investors:
HAUN Ventures | Lead investor Castle Island Ventures Oak HC/FT +4
HAUN Ventures , Castle Island Ventures, Oak HC/FT, MAYA Capital, Coinbase Ventures, Paxos, Bitso
14
Series A
Jun 2025
Raised
11000000
Avalanche Ecosystem NFT Social Network
Investors:
Offline Ventures | Lead investor Strobe Ventures (ex BlockTower Capital) | Lead investor Coinbase Ventures +2
Offline Ventures , Strobe Ventures (ex BlockTower Capital), Coinbase Ventures, Castle Island Ventures, Unusual Ventures
15
Unknown
May 2025
Raised
7000000
Infrastructure Payment Stablecoin Wallet
Investors:
Castle Island Ventures | Lead investor Archetype Bankless Ventures +2
Castle Island Ventures , Archetype, Bankless Ventures, Verda Ventures, Arca Fund
16
Seed
May 2025
Raised
6000000
Arbitrum Ecosystem Avalanche Ecosystem Ethereum Ecosystem Infrastructure Polygon Ecosystem
Investors:
Crucible Capital | Lead investor Jump Crypto | Lead investor RW3 Ventures +2
Crucible Capital , Jump Crypto, RW3 Ventures, Castle Island Ventures, Hash3
17
Seed
Feb 2025
Raised
3500000
Infrastructure Marketplace
Investors:
Castle Island Ventures | Lead investor Lattice Fund Factor Capital
Castle Island Ventures , Lattice Fund, Factor Capital
18
Strategic
Jan 2025
Raised
8500000
Bitcoin Ecosystem Infrastructure L2 Zero-knowledge
Investors:
DBA | Lead investor Cyber Fund | Lead investor Ribbit Capital +8
DBA , Cyber Fund, Ribbit Capital, Castle Island Ventures, Geometry, Mirana Ventures, Credibly Neutral, Hasu, Nathan McCauley, John Adler, Uma Roy
19
Seed
Dec 2024
Raised
5400000
Data Service Infrastructure Security
Investors:
M13 | Lead investor CMT Digital Castle Island Ventures +1
M13 , CMT Digital, Castle Island Ventures, Hash3
20
Seed
Oct 2024
Raised
4200000
CEX Finance/Banking Trading
Investors:
Castle Island Ventures | Lead investor Nic Carter | Lead investor Cadenza +4
Castle Island Ventures , Nic Carter, Cadenza, ByBit, Plug and Play Ventures, AP Capital, Alliance DAO (ex DeFi Alliance)

Recently launched tokens invested by Castle Island Ventures

Project
ICO price
Current price
Current ROI
ATH ROI
$0.022 !
$0.026434950000
1.2x !
1.77x !
$0.025
$0.033497180000
1.3x
1.95x
$0.023
$0.006883460000
0.3x
1.27x
$0.068 !
$0.000972090000
0.01x !
1.45x !
$0.085 !
$0.016438030000
0.19x !
1.95x !