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    All investors

    Fund Name:

    Castle Island Ventures

    Invested projects:

    84 top 10 investors

    Links:

    Website

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    invested projects

    1 - 10 of 84
    #
    Project
    Round
    Date
    Raised
    Project category
    Investors
    01
    Gondor
    Pre-seed
    Dec 2025
    Raised
    2500000
    DeFi Lending/Borrowing
    Investors:
    Prelude | Lead investor Castle Island Ventures | Lead investor Maven 11 Capital | Lead investor
    Prelude , Castle Island Ventures, Maven 11 Capital
    02
    Arx Research
    Seed
    Nov 2025
    Raised
    Identity Infrastructure Payment
    Investors:
    Castle Island Ventures Inflection Placeholder +2
    Seed Club Ventures 1kx
    Castle Island Ventures , Inflection, Placeholder, Seed Club Ventures, 1kx
    03
    RockSolid
    Pre-seed
    Sep 2025
    Raised
    2800000
    DeFi Insurance
    Investors:
    Castle Island Ventures GSR Markets LTD Kindred Ventures +8
    Blockchain Builders Fund (BBF) IDEO CoLab Ventures Stanford Blockchain Accelerator (SBA) Rocket Pool Pier Two Chris Cable Scott Keto Charles Lu
    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
    04
    BOB (Build on Bitcoin)
    BOB
    Strategic
    Aug 2025
    Raised
    9500000
    Bitcoin Ecosystem DeFi Ethereum Ecosystem L2
    Investors:
    Castle Island Ventures Cathay Ledger Fund RockawayX +11
    Asymmetric fund Hypersphere IOSG Ventures Bankless Ventures Sigil Fund CMS Holdings Daedalus Amber Group Sats Ventures Zee Prime Capital Nathan McCauley
    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
    05
    Stable
    STABLE
    Seed
    Jul 2025
    Raised
    28000000
    Infrastructure L1 Payment Stablecoin
    Investors:
    Bitfinex Hack VC USDT0 +13
    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
    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
    06
    Pear Protocol
    PEAR
    Strategic
    Jul 2025
    Raised
    4100000
    DApp DeFi Derivatives DEX Trading
    Investors:
    Castle Island Ventures Compound Florin Digital +1
    Sigil Fund
    Castle Island Ventures , Compound, Florin Digital, Sigil Fund
    07
    Project Eleven
    Unknown
    Jun 2025
    Raised
    6000000
    Bitcoin Ecosystem Data Service Infrastructure Security
    Investors:
    Variant Fund Quantonation Castle Island Ventures
    Variant Fund , Quantonation, Castle Island Ventures
    08
    XFX
    Seed
    Jun 2025
    Raised
    9100000
    Finance/Banking Infrastructure Payment
    Investors:
    HAUN Ventures Castle Island Ventures Oak HC/FT +4
    MAYA Capital Coinbase Ventures Paxos Bitso
    HAUN Ventures , Castle Island Ventures, Oak HC/FT, MAYA Capital, Coinbase Ventures, Paxos, Bitso
    09
    TYB (Try Your Best)
    Series A
    Jun 2025
    Raised
    11000000
    Avalanche Ecosystem NFT Social Network
    Investors:
    Offline Ventures Strobe Ventures (ex BlockTower Capital) Coinbase Ventures +2
    Castle Island Ventures Unusual Ventures
    Offline Ventures , Strobe Ventures (ex BlockTower Capital), Coinbase Ventures, Castle Island Ventures, Unusual Ventures
    10
    Beam Cash
    Unknown
    May 2025
    Raised
    7000000
    Infrastructure Payment Stablecoin Wallet
    Investors:
    Castle Island Ventures Archetype Bankless Ventures +2
    Verda Ventures Arca Fund
    Castle Island Ventures , Archetype, Bankless Ventures, Verda Ventures, Arca Fund