Seaside Ventures
Seaside Ventures is a Pre-Seed venture capital firm based in Los Angeles, CA investing in Other, Marketplace, Consumer. The firm typically writes $60K–$150K checks and has 25 portfolio companies in our records.
- Check size
- $60K–$150K
- Portfolio
- 25 companies on record
- Partners
- 4 listed
- Stage
- Pre-Seed
- Sectors
- Other, Marketplace, Consumer, Developer Tools, Healthcare, Food / AgTech
- HQ
- Los Angeles, CA
- AUM
- Not in our records
Last verified: 2026-08-12
Pre-Seed
$60K – $150K
25+ companies
4 partners
Investment Thesis
Invests in startups at the intersection of technology and travel, with a keen interest in marketplaces and unique booking platforms.
How Seaside Ventures invests
Seaside Ventures is a vc firm based in Los Angeles, CA. The firm invests at the Pre-Seed stage, with a focus on Other, Marketplace, Consumer, Developer Tools, Healthcare. It does not invest in Real Estate.
Seaside Ventures typically writes checks of $60K–$150K per investment.
Investing since at least 2022, Seaside Ventures has backed 25 companies in our records, including KetoneIQ, BiomeSense, Circulate Health. Its most recent recorded investment was in 2025, with 5 investments logged over the last 12 months.
Partners & Team
Industry Focus
Invests In
Does Not Invest In
Portfolio Companies (25)
2025
KetoneIQ
KetoneIQ is the first shelf-stable, NSF Certified ketone-ester energy shot that delivers rapid, sugar-free metabolic fuel for brain and body—bridging elite-athlete science and everyday convenience.
BiomeSense
BiomeSense delivers an end-to-end platform that automates gut-microbiome sample capture, processing, and AI-driven analysis—shrinking sample-to-insight costs and unlocking 30× richer longitudinal data for biomarker discovery and therapeutic development.
Circulate Health
Circulate Health equips longevity and wellness clinics with a turnkey therapeutic-plasma-exchange (TPE) solution—FDA-cleared hardware, patented toxin-removal protocols, and on-site apheresis nurses— enabling blood-purification services that reduce micro-plastics, senescent factors, and biological-age markers.
Rorra
Rorra delivers the first stainless, off‑grid countertop purifier that eliminates PFAS, micro‑plastics, and pharma residues while preserving natural minerals—pairing medical‑grade 316L hardware with electro‑kinetic nanofiber filters and a high‑margin subscription model.
Strive
Strive harnesses advanced reinforcement learning and real-time ICU data to deliver precise, personalized dosing recommendations for sepsis management, enhancing patient outcomes and reducing complications in critical care settings.
2024
Somnee
Somnee Sleep, developer of the Smart Sleep Headband, combines advanced neurotechnology with consumer health to enhance sleep quality.
ZBiotics
ZBiotics, the creator of the world's first genetically engineered probiotic, offers innovative solutions for modern living.
Unlocked
Unlocked is inventing the future of non-pharmaceutical approaches to combat conditions like hyperuricemia, gout, and kidney stones with its genetically engineered probiotics.
Superpower
Superpower is redefining healthcare with the world’s most advanced digital clinic, focusing on prevention, performance, and longevity.
Plan A
Plan A™ will finally bring non-hormonal, long-lasting, and reversible male contraception to the world.
- •Raising at Pre-Seed? You're squarely in their sweet spot.
- •Lead with your fit in Other, Marketplace, Consumer — the sectors they actively back.
- •Size your ask to their typical $60K – $150K check.
- •cold outreach ok
- •Address your outreach to a specific partner, such as Ryan Roddy, Partner.
- •A warm introduction beats a cold email. Get matched and request an intro.
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