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Marina Slip Revenue Calculator
Marina slips price by linear foot — size and season drive revenue density.
Total annual revenue
$1,254,396
Slip revenue only
$964,920
Total leasable linear ft
5,160
How the math works
Linear ft = slips × avg length. Slip revenue = ft × rate × occ. Total = slip × (1 + ancillary %).
50×22 + 80×32 + 30×50 = 5,160 ft × $220 × 85% = $965k slip × 1.30 = $1.25M total.
EveryCalc calculators are designed for fast, practical estimates with transparent inputs and no required account. We use plain formulas, visible assumptions, and related tools so visitors can check the result from more than one angle.
Results are informational only. For financial, tax, legal, medical, construction, or other high-impact decisions, verify the output against primary sources or a qualified professional.
Learn more about our review process on the EveryCalc methodology page.
How this calculator works
What this page estimates
This Marina Slip Revenue Calculator is built to give a quick, browser-based estimate for marina slip revenue. Marina slips price by linear foot — size and season drive revenue density. The inputs stay on the page during normal use, and the result should be treated as an estimate for planning, comparison, or education rather than professional advice.
Calculation approach
The calculator applies the standard relationship implied by the inputs, then formats the answer so it can be checked and reused. For finance tools, the most important step is using consistent units, rates, time periods, and assumptions before comparing the result with another calculator or outside quote.
Example workflow
For example, start with a realistic value you already know, change one input at a time, and watch how the answer moves. That makes it easier to tell whether the result is being driven by the main amount, the rate, the time period, or a unit conversion.
Practical checks
- Use current, real-world numbers when the result affects money, health, tax, or legal decisions.
- Run a low, base, and high case when the inputs are estimates.
- Check the related calculators below when the next decision depends on a different assumption.
How to interpret the marina slip revenue result
Best use
Use the result as a planning number for comparing payments, rates, returns, tax reserves, or cash-flow choices before you request a quote or make a commitment.
Cross-check
Compare the answer with the contract, lender estimate, tax form, brokerage statement, payroll record, or invoice that will control the real-world outcome.
Watch for
Do not rely on a single optimistic rate, return, or fee assumption. Money pages work best when you run low, base, and high cases and keep professional advice separate from the estimate.
This page belongs to the Finance calculator library, so the answer should be read in the context of the decision you are modeling rather than as a universal rule.
Before relying on this marina slip revenue estimate
Most calculator mistakes come from the inputs, not the arithmetic. Use this short audit before you reuse the answer in a spreadsheet, quote, application, or important conversation.
Confirm source numbers
Match balances, rates, fees, taxes, income, and payment dates against the lender quote, payroll record, tax form, statement, invoice, or contract.
Separate cash flow from total cost
A lower monthly payment can still cost more over time if fees, interest, taxes, or a longer term are hidden in the structure.
Run conservative cases
Test at least one higher-cost or lower-return case before using the output for a purchase, refinance, investment, loan, or tax decision.
Rerun this page when the rate, price, term, fee, tax rule, income, expense, or expected holding period changes.
How to Use
- Enter small slip count (<25ft).
- Enter medium slip count (25-40ft).
- Enter large slip count (40-60ft).
- Enter $/ft annual rate.
- Enter occupancy %.
- Enter ancillary revenue %.
- Read total annual revenue.
Frequently Asked Questions
Per-foot pricing?
Small slips (<25 ft): $100-200/ft/year basic, $200-500/ft/year premium (premium marinas, urban, high-end). Medium (25-40 ft): $120-300/ft/year. Large (40-60 ft): $150-400/ft/year. Mega yacht (60+ ft): $200-600+/ft/year. Rates vary significantly: rural Great Lakes $80-120/ft; Florida/California $250-500/ft; Monaco, Mykonos, Hamptons $800-2,000+/ft.
Annual vs seasonal?
Annual slip lease: 12-month commitment, lower $/month (10-25% discount vs seasonal). Seasonal (6 months May-Oct): 10-25% premium but half the duration = higher $/month. Transient (nightly): $2-5/ft/night at protected marinas, $4-10/ft/night at premium/resort marinas. Annual tenants anchor occupancy; transient drives peak revenue.
Ancillary revenue?
(1) Fuel: 25-60% margin on gallons. (2) Pump-out: $15-30 per pump. (3) Ice, provisions, bait: 20-40% margin. (4) Boat storage (land, dry stack): $30-80/ft/year. (5) Boat repair, detailing: 20-40% margin. (6) Events/weddings at marina: 40-60% margin. (7) Restaurant revenue-share or lease: passive income. Total ancillary: 20-50% of slip revenue typical.
Marina operating costs?
Dock maintenance: 3-6% of revenue. Dredging: $50-500k every 5-15 years (major capex). Electrical systems: 2-4%. Insurance (hurricane, pollution): 4-8% (higher in hurricane zones). Labor: 20-35% (dockmasters, technicians, fuel dock). Utilities: 5-10%. Property tax: 3-6%. Total operating margin: 30-45%. Marina cap rates: 7-10% (higher risk than multifamily, specialty asset).
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