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DefDex
DAIVIN! logo

Startup · United States

DAIVIN!

HQ San FranciscoFounded 20251-10 employees

Tankless breathing equipment for extreme environments.

Website

Funding1 round · ~$500K

Equity raised
~$500K
Latest
~$500KPre-Seed · Jan 29, 2026

Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.

Systems1

SPRING

A tankless diving system for on-demand breathing support.

Maturity not rated

Newest unveiled first. Open a system for its milestone timeline, components and sources.

Sources7

Profile3

  1. 1

    LinkedIn · Supports Organization · employee range

    “employee_range: 1-10 (profile: 1 employee)”
  2. 2

    Y Combinator · Supports Organization, Organization · linkedin url, Organization · website

    “DAIVIN!”
  3. 3

    Y Combinator · Supports Organization

    “DAIVIN!”

Systems1

  1. 4

    DAIVIN! · Supports Organization · name, System

    “DAIVIN! | Tankless Dive Gear - Breath Autonomy at Sea, Land & Space”

Funding3

  1. 5

    PitchBook · Jan 29, 2026 · Supports Funding round · amount, Organization · employee range, Organization · ownership, Organization · x url

    “$500K”
  2. 6

    Crunchbase · Supports Funding round, Organization · employee range, Organization · x url, Role

    “pre_seed”
  3. 7

    Y Combinator · Supports Funding round

    “Winter 2026”

Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.