Investment thesis
Why marinas, and why now.
A supply-constrained real-asset class with sticky contracted revenue, owned almost entirely by families reaching a transfer decision, and run on systems that predate the smartphone. The opportunity is not to discover marinas. It is to operate them properly, at scale, for the first time.
The asset
A ground lease that happens to sell fuel.
Strip away the boats and a marina is a fixed quantity of irreplaceable waterfront, leased in annual contracts to customers who stay for years, with a service business attached that most owners never bother to run properly.
Institutional real estate has already repriced every asset class with those characteristics — self-storage, manufactured housing, single-family rental, cold storage. Each followed the same arc: a fragmented, family-owned operating business, dismissed as unserious, gets professionalized by an operator with better systems, and the cap-rate compression follows the operating improvement rather than leading it.
Marinas have not made that transition. They are harder — the physical asset lives in the water, the land is often leased from a state or a federal authority, and the operating detail is genuinely specialized. That difficulty is precisely why the opportunity is still available, and why it will not be closed by capital alone.
Our view is that whoever ends up consolidating this asset class will be an operator that built the systems first, not a fund that bought its way in and hired an operator afterward.
The short version
- Fixed supply. New waterfront capacity is effectively unpermittable in most markets.
- Sticky revenue. Annual slip contracts with multi-year tenure and high switching costs.
- Fragmented ownership. Single-property families facing a generational transfer.
- Operating gap. Rate, utilities, receivables, and ancillary revenue are all managed by habit.
- No incumbent. No national operator has both the software and the balance sheet.
~12,000
marinas in the United States
Wet-slip and dry-stack facilities open to the public.
80%+
owned by single-property operators
Family and founder ownership, one facility at a time.
<5%
institutionally held
One of the last large real-asset classes still this fragmented.
Flat
net new waterfront supply
Permitting and shoreline constraints keep supply near-fixed.
Figures are MARINAmerica internal estimates, not third-party research. Methodology on the Thesis page.
Four structural facts
None of this is a forecast.
Each of these is observable today. The thesis is only that they persist long enough to be worth building a company around.
01
The supply is finished being built
You cannot permit a new marina on most American waterfront, and where you can, the entitlement runs years and the cost rarely pencils against the rents in the market. Meanwhile shoreline keeps converting to condominiums and public access. The practical effect is an asset class where the denominator only shrinks — the closest thing to a hard supply cap in commercial real estate.
02
The ownership is one family deep
The overwhelming majority of U.S. marinas are single-property businesses owned by the person who built or bought them decades ago. That ownership is now aging into a transfer decision at scale, and the natural buyer — a second-generation family member who wants to run a marina — is frequently not there.
03
The customer does not leave
Slip tenure is measured in years, not months. Moving a boat means a new commute, a new set of neighbors, and usually a waitlist at the other end. Contracted annual slips behave more like ground leases than like hospitality revenue, and demand shows up again every spring whether or not the facility was pleasant to deal with over the winter.
04
The operating gap is enormous
Rates set by habit rather than by demand. Waitlists kept on paper and never monetized. Utilities under-metered and under-rebilled. Receivables chased in season and forgotten out of it. Deferred maintenance discovered by a buyer's engineer. None of this is a market failure — it's an operating failure, and operating failures are the ones you can actually fix.
Where value accrues
The alpha is operational, so the entry has to be operational.
If the gap between a well-run marina and an average one is measured in operating dollars, then the winner is whoever can actually close that gap — repeatedly, at facilities they don't necessarily own.
Phase one
Land on the dock with software
The platform is the cheapest way to meet a thousand marina owners and the only way to see how a facility really performs. It earns its own keep as a business and produces the operating record everything downstream depends on.
Phase two
Take the operating work
Management, staffing, and back office convert a software relationship into an operating one. Owners get their evenings back; we get the P&L, the vendor base, and a real bench of marina operators.
Phase three
Own the improvement
With facility-level data and an operating team already inside the asset class, capital becomes the highest-conviction expression of the same insight — placed as debt, raised as equity, and increasingly deployed on our own balance sheet.
Each phase is a real business on its own terms — that is the discipline. Software that only makes sense as customer acquisition for a fund is bad software, and a management company that exists to source deals will eventually be caught choosing the deal over the client. Every platform here is priced, staffed, and measured as though it were the only one.
Risks
What would make us wrong.
A thesis without a stated failure case is a brochure. These are the five we underwrite against, and what we do about each.
- Climate and insurance
- Wind, surge, and rising premiums are the single largest threat to marina economics in exposed markets. We underwrite insurability first and will pass on facilities we cannot model at a survivable premium; our geographic mix deliberately weights inland reservoirs and protected water.
- Rate and financing environment
- Marinas are capital-intensive and lender comfort with the asset class is thin. We hold conservative leverage assumptions, favor facilities that cover debt service on contracted revenue alone, and treat transient upside as equity return rather than as coverage.
- Discretionary demand
- Boating is discretionary at the margin. The mitigant is contract structure and tenure, not optimism: annual slips, escalators that are actually enforced, and waitlist depth as the leading indicator we watch.
- Land control
- Submerged-land leases, riparian rights, and public-trust obligations vary by state and can change. Short remaining terms without a renewal path are a pass, regardless of the going-in yield.
- Execution and integration
- Three businesses under one roof is a management problem before it is a strategy. We staff each platform to stand alone commercially, and we publish the conflicts between them — brokerage, management, and principal capital — in writing before they arise.
Methodology
Where our numbers come from.
We would rather show our working than borrow someone's headline.
The market figures on this site are MARINAmerica’s internal working estimates. They are assembled from public facility counts, state and federal waterway records, registration data, and our own pipeline of facilities reviewed. They are directional, they are not audited, and they are not third-party research.
Facility-level operating figures we cite in diligence come from the platform’s own record — occupancy, rate, receivables, and cost history captured as the marina operates — or from owner-provided statements we have normalized ourselves.
If you are evaluating us as a capital partner, ask for the backup. We will send the build-up, the assumptions, and the places where we are guessing.
Disagree with any of it?
Good. The fastest way to test a thesis is against someone who owns a marina, lends against one, or has already tried this. We would like to hear from all three.