How to Value a Boat Storage Business in 2026

Boat storage sits in an awkward spot in the valuation world. It's not quite self-storage, not quite a marina, and not quite a traditional operating business. The result is that sellers often get quoted wildly different values depending on which buyer pool they talk to — a self-storage REIT will price it one way, a marina roll-up will price it another way, and a local boater- turned-investor will price it a third way. Understanding which buyer to court, and on what metric, is the whole game.

I've worked on boat storage deals ranging from $1.5M outdoor lots to $40M+ dry stack operations attached to full-service marinas, and the valuation framework shifts dramatically based on the format and the adjacent infrastructure.

The Three Types of Boat Storage (And Why They Value Differently)

Before you can value a boat storage business, you need to know which format you're valuing, because each trades on different math.

Outdoor boat and RV storage. Open lots or partially-covered spaces where boaters park trailered boats. This is effectively self-storage with bigger units — and it's valued the same way: cap rate on NOI. Cap rates run 7.00-8.50% in 2026, slightly wider than climate-controlled self-storage because boats are seasonal in most markets and tenant churn is higher.

Dry stack (rack) storage. Purpose-built rack buildings where powerboats up to 45 feet are stacked on multi-level steel racks and launched on demand by forklift. This is a real operating business with staffing, equipment, and liability — and it trades on a blend of cap rate and EBITDA multiple. Cap rates: 7.50-9.00%. EBITDA multiples: 5.0-7.5x depending on scale, location, and owned vs. leased land.

Wet slip and marina storage. Technically marina territory, but many boat storage operators include wet slips in their mix. Wet slips trade as real estate at cap rates similar to dry stack, but with meaningful ancillary revenue from fuel, service, and restaurant if present. Full- service marinas are a different animal entirely — they're operating businesses with EBITDA multiples of 6-9x.

The Institutional Boat Storage Buyers

The boat storage buyer pool has institutionalized meaningfully since 2018. Here's who's buying in 2026:

• Safe Harbor Marinas (owned by Sun Communities, now roughly 140+ locations) — the largest marina platform, aggressively acquiring dry stack and wet slip operations.
• Suntex Marina Investors — second-largest US marina operator, focused on premium destination locations with significant boat storage components.
• Westrec Marinas — long-time operator focused on California and Gulf Coast assets.
• F3 Marina — dry stack specialist with a growing Florida and Southeast portfolio.
• Self-storage REITs — Public Storage, Extra Space, and CubeSmart will bid on outdoor boat storage that fits their self-storage model, but they generally avoid true marina and dry stack operations.
• Family offices and PE — Centerbridge, Wafra, and others have dabbled in the space, typically at $30M+ check size.

Outdoor Boat Storage: Self-Storage Math with a Twist

If you own an outdoor or covered boat storage facility — gravel or paved spaces, canopy covers, maybe some enclosed units for higher-end boats — your valuation is straightforward: stabilized NOI divided by cap rate. The twist is what counts as "stabilized" in a seasonal business.

Most northern markets see a huge seasonal swing — 95%+ occupancy from October through April (winter boat storage) and 60-70% occupancy in summer when boats are in the water. Buyers will underwrite to the annualized average economic occupancy, which is usually 78-85% in seasonal markets. Don't anchor on your peak winter numbers — no buyer will.

Southern markets (Florida, Gulf Coast, Arizona desert lakes) have much less seasonality and trade tighter — 25-50 bps of cap rate compression for year-round demand profile. A Miami outdoor boat storage at 7.00% will be priced at the same NOI as a Michigan facility at 7.75%.

Ancillary revenue matters too. Shrink-wrap services, winterization, battery trickle charging, and boat wash services can add $80-150K of high-margin NOI on a 400-space facility. That capitalizes at your cap rate and flows directly to value.

Dry Stack Storage: Where Operating Risk Lives

Dry stack is the most complex format to value because it combines real estate (the building and land), operating infrastructure (forklifts, launch systems, staff), and customer service (on-demand boat launching within 30-60 minutes). Buyers apply a hybrid of cap rate and EBITDA math.

The real estate cap rate on a stabilized dry stack building runs 7.50-8.50% in 2026. The operating business EBITDA multipleruns 5.0-7.0x, with the high end reserved for multi-location platforms with professional management. Most transactions get done on a blended basis where the buyer essentially asks: "What's this worth as real estate, and what's the operating business layer worth on top?"

Key valuation drivers for dry stack:

Waterfront access. A dry stack with private launch and fuel dock is worth dramatically more than one where boats have to be trailered to a public ramp. Private waterfront is nearly impossible to replicate in most markets and commands a 100-150 bps cap rate premium.

Rack density and max boat size. Modern facilities handle boats up to 45-50 feet. Older facilities often max out at 32-35 feet, which excludes the high-margin larger boats. The maximum boat size you can store directly correlates to revenue per square foot.

Forklift age and capacity. Top-end modern forklifts run $400-700K each. Facilities with 15-year-old equipment are looking at a $1-3M capex cliff, and buyers will deduct it.

Service revenue. Dry stacks that generate 15-25% of revenue from service, fuel, and parts are worth more because those revenue streams have better margins and stickier customers.

What Kills Boat Storage Value

After looking at dozens of boat storage deals, the common value killers are:

Environmental issues. Fueling operations, fiberglass dust, oil and bilge contamination, and old underground storage tanks are recurring problems. A Phase I or Phase II environmental study that turns up issues will tank your deal — or at minimum, carve out a large indemnification holdback. Get ahead of this before you list.

Uncertain waterfront rights. Riparian rights, submerged land leases, and Army Corps permits are frequent sources of uncertainty. If your waterfront access depends on a 10-year submerged land lease from the state that's up for renewal in 18 months, buyers will haircut aggressively.

Customer concentration. If your top 10 customers represent 25%+ of revenue (typical when you store mega-yachts or commercial boats), that's real concentration risk. See our notes on how customer concentration affects value.

Deferred infrastructure. Seawalls, bulkheads, and dock systems have 20-30 year lives and replacement costs run into the millions. If yours are 25 years old, the buyer is pricing the replacement into their offer.

How to Maximize Boat Storage Value

If you're 12-24 months from selling:

Push rates aggressively. Boat storage has been chronically underpriced in many markets. Rate increases of 8-12% annually have been sustained without material churn since 2021. Every dollar of rate flows directly to NOI and capitalizes at your cap rate.

Add ancillary services. Shrink wrap, winterization, detailing, and concierge launch service can add $100-200K of NOI without major capex.

Document everything. Riparian rights, permits, environmental reports, forklift service logs, and lease documents should be organized and current. Clean documentation is worth real money in diligence.

Consider the marina roll-up buyers first. Safe Harbor and Suntex will often pay more than self-storage REITs for mixed-format facilities because they're building a platform and they'll value the operating business layer. For broader exit-prep guidance, see how to prepare your business for sale.

The Bottom Line

Boat storage valuation depends on format, waterfront, and which buyer pool is bidding. Outdoor storage is self-storage math. Dry stack is hybrid real estate plus operating business math. Wet slip and marina-adjacent storage belongs with the marina roll-ups who will pay premium multiples for the right assets. Sellers who understand where they fit — and which buyer pool pays the best price for their specific configuration — consistently beat sellers who treat boat storage as a generic asset class.