Marina Slip Revenue Calculator

Marina slips price by linear foot — size and season drive revenue density.

Small slips (<25 ft)

Medium slips (25-40 ft)

Large slips (40-60 ft)

Rate / ft / year

Occupancy %

Ancillary revenue %

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.

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).