Skip to main content
The Fennec Lab

Hospitality / waterfront operator economics

Marina Operations Calculators

Operator economics for full-service marinas: per-foot slip rental pricing with the AMI five-tier rate card and RevPAR benchmarks, fuel-dock margin on gasoline and diesel with EPA SPCC compliance under 40 CFR Part 112, haul-out and on-land storage pricing with travel-lift ROI, and the annual environmental compliance cost stack across SPCC, NPDES stormwater, USCG MSD pump-out, and state Clean Marina certification.

Anchored to: 40 CFR Part 112 (EPA SPCC); 40 CFR § 122.26 (EPA NPDES MSGP Sector Q); 33 CFR Part 159 (USCG MSD); 16 USC § 777g(c) (federal Clean Vessel Act); AMI member-survey benchmarks; Marina Dock Age industry RevPAR; ABYC marine handling standards

4 calculators live. Reviewed against current statute and regulation. Last updated 2026-05-17.

Most-used calculators

Association of Marina Industries (AMI) annual member-survey benchmarks on per-foot per-month slip rates and length-tier banding

Marina Slip Rental Pricing Calculator

Wet-slip rental pricing and monthly revenue projection for a full-service marina. Models the standard per-foot per-month pricing convention with a five-tier length rate card (under 25 ft, 26-35 ft, 36-45 ft, 46-65 ft, 66 ft and up) anchored to the Association of Marina Industries (AMI) member-survey banding. Applies a transient vs annual blend with a transient premium multiplier, plus ancillary revenue from fuel-dock margin per slip and electric kWh pass-through markup. Reports monthly slip revenue, monthly ancillary revenue, total monthly revenue, the 12-month annual projection, and the per-slip RevPAR benchmark against Marina Dock Age industry data.

EPA Spill Prevention

Marina Fuel Margin Calculator

Per-gallon gross margin and monthly net margin on marina fuel-dock sales of gasoline and diesel. Models rack cost per gallon, retail price per gallon, monthly fuel-pump operating cost (labor, electric, equipment maintenance), and monthly environmental compliance cost (EPA SPCC plan maintenance under 40 CFR Part 112 plus state oil-spill program participation). Reports per-gallon gross margin (gasoline, diesel, and blended), daily/monthly/annual fuel revenue, monthly gross margin, monthly net margin after fixed costs, and breakeven gallons per month. Flags EPA SPCC trigger threshold of 1,320 gallons aggregate above-ground storage.

Association of Marina Industries (AMI) annual member-survey haul-out and on-land storage pricing benchmarks

Marina Haul-Out and Storage Pricing Calculator

Boat haul-out and on-land storage pricing for a marina operating a travel-lift or marine railway. Models the standard per-foot fee stack: haul-out fee per foot (one-time travel-lift fee), blocking and cradling charge (flat per boat), on-land storage rate per foot per month, and splash fee for relaunch. Reports the total haul-out package cost for a single boat, the monthly storage revenue per boat, and the annual revenue projection across the operation's haul-out volume. Computes travel-lift equipment ROI as years-to-payback against the capital cost, benchmarked against the typical 20-year travel-lift useful life. Anchored to Association of Marina Industries member-survey haul-out pricing benchmarks and American Boat & Yacht Council (ABYC) marine handling standards.

Find your calculator

Grouped by who tends to use each tool. Many calculators serve more than one audience.

For LCAMs & community managers

Operational tools for the day-to-day: estoppel preparation, statutory cap verification, hearing procedure.

For unit owners

Verify a notice, check a fine, or understand the lien exposure on a delinquent account before acting.

Or filter by calculator type

All 4 calculators in this cluster, organized by what they compute. Use the chips to narrow to a specific area.

100+

Calculators live

Across statute, regulation, and policy

100%

Statute-cited

Every formula links its source

4,000+

Unit tests

Every formula has a regression suite

Open

Formula transparency

Deterministic math, no hidden weights

Free

No paywall

Every calculator, no paid tier

How these calculators are maintained

Every YMYL calculator is reviewed quarterly and after every legislative session in the jurisdiction it covers. Citations are link-validated monthly against the relevant statute and regulation websites. The methodology page documents the discipline.

Read the editorial methodology →

Search calculators

Find a calculator by name, cluster, or statute