Marinas

How do marina slip rates get set each season?

Evan Thomas, Co-founder, Propty

By Evan Thomas, Co-founder, Propty

One of the sibling co-founders of Propty, from a family of property operators.

Published · Last reviewed

Title card for the marinas answer: How do marina slip rates get set each season?

Most marina operators set slip rates once, before the season opens, and those numbers govern the entire year. Rates are driven by rising costs on the expense side, primarily insurance, utilities, and labor, and by occupancy conditions on the demand side. The mechanism differs meaningfully between private marinas, which can set rates unilaterally, and public marinas, which in states like California must go through a formal public process before any increase takes effect. Once seasonal contracts are signed, there is no practical way to revise rates upward even if the season runs hotter than expected.

Key points

What does a slip actually cost right now?

The national baseline for monthly slip rates in 2026 is $15, $35 per foot per month for a standard open slip with 30-amp shore power. Full-season rates, which cover the contracted period rather than a rolling monthly term, run $8, $20 per foot for that period.

Those ranges are wide because location does most of the work. A 30-foot slip on a freshwater lake in the Midwest sits at a different price point than the same slip on a saltwater bay in the Northeast or on the Pacific Coast. Covered slips, 50-amp service, liveaboard allowances, and pump-out access all add to the base number.

In northern states, seasonal slip contracts typically cover May through October. Boaters who sign annual contracts rather than seasonal ones often lock in a blended rate that beats peak-season pricing, with annual contracts offering discounts of 10, 25% versus month-to-month rates. That discount is the operator's tool for securing committed revenue before the season opens.

What drove rates higher in recent seasons?

In the 2024 survey cycle, 70% of marina operators raised slip fees, according to the Marina Dock Age 2024 Annual Survey. The same survey asked operators what was pushing them to raise rates: 85% cited insurance cost increases, 71% cited utility cost increases, and 70% cited staff cost increases. Those three line items, not demand alone, were the primary drivers.

Heading into the 2025 season, 36% of operators raised slip rates, according to the Marina Dock Age / AMI / Storable Marine 2025 Annual Survey. That is a meaningful drop from the prior year's 70%, which likely reflects operators who had already made larger adjustments and were holding steady, or operators who were cautious about pushing boaters out of annual contracts.

Between 2023 and 2024, 68% of marinas raised slip rental rates and 26% reported 100% occupancy, according to a 2024 industry report cited by Dockmaster. An operator running at 100% occupancy who set rates before the season and held them flat through October collected the lower number all season with no mechanism to recover the difference.

How does demand factor in?

The structural demand picture is strong. There are approximately 11 million registered boats in use and roughly 85 million Americans boating annually, according to the NMMA 2024 Recreational Boating Statistical Abstract. New powerboat retail sales fell 8, 10% in 2025, but that affects future slip demand, not current slip demand. Boaters who already own boats still need somewhere to put them.

The 2025 Annual Survey reported a median marina occupancy rate of 92%. At that level, most operators are not competing hard for tenants. The question is whether the rate was set high enough to reflect that occupancy before the season locked in.

Does the process differ for public marinas?

Yes, significantly. For public marinas in California, slip fees are governed by city, county, or special-district ordinances, or by harbor rules, meaning rate changes require a formal public process rather than a unilateral operator decision. A private marina owner can decide to raise rates and send out new contracts. A public marina in California has to go through a public hearing process before any increase takes effect.

Glorietta Bay Marina, operated by the City of Coronado, proposed a three-year rate phase-in benchmarked to the average of San Diego Bay marina slip fees as of August 2025, with subsequent annual adjustments tied to the BLS Consumer Price Index for the San Diego metro area. That structure, a market benchmark for the initial adjustment and a CPI escalator for future years, is one model public agencies use to make rate-setting defensible and predictable.

Why don't operators revise rates mid-season when occupancy runs hot?

Seasonal and annual contracts are already signed. Raising rates on existing tenants mid-contract creates legal exposure and damages the relationships that fill slips the following year. Transient rates, which cover nightly and weekly visitors, can be adjusted more freely, but once the bulk of slips are committed under signed contracts, the operator's revenue for the season is largely fixed. This is why the pre-season pricing decision carries more weight than any other financial choice a marina makes in a given year.

What should an operator actually do?

  1. Pull your cost increases from the prior year before you set rates. Insurance, utilities, and labor are the three line items that moved most operators to raise rates in the 2024 cycle. Know your actual numbers before you benchmark against competitors.
  1. Check what comparable marinas in your market are charging for the current season. The Glorietta Bay approach of benchmarking to a market average is a defensible method even for private operators.
  1. Decide on your annual versus seasonal versus month-to-month structure before contracts go out. The 10, 25% discount on annual contracts is a tool for locking in occupancy early; use it deliberately, not by default.
  1. Set transient rates separately and review them more frequently. Transient slips are the one place you can respond to mid-season demand without breaking existing contracts.
  1. If you are a public marina in California or another jurisdiction with rate ordinances, start the public process earlier than you think you need to. A rate increase that requires a public hearing cannot be rushed to meet a contract deadline.
  1. Document your reasoning. If you raise rates 8% and a long-term tenant pushes back, having the insurance invoice and the utility bill in front of you makes the conversation shorter. Operators who can show cost drivers rather than just citing market rates tend to retain tenants through increases.

Sources

Statute references are current to our research and are not legal advice. Verify against current law in your state before acting.

Related questions

Can I raise slip rates on tenants who already signed a seasonal contract?
Generally no, not without their agreement, because a signed contract fixes the rate for the term. Your ability to adjust mid-season applies to open slips and transient bookings, not to tenants already under contract. Review your contract language before the season starts to confirm what, if anything, allows for mid-term adjustments.
How much of a discount should I offer for annual versus month-to-month contracts?
Industry data shows annual contracts typically offer 10, 25% off month-to-month rates. Where you land in that range depends on how tight your occupancy is and how much you value committed revenue over flexibility. If you are running near 100% occupancy, you have less reason to offer the full 25%; if you have open slips heading into the season, the deeper discount may be worth it to lock in the year.
What is the right way to benchmark my rates against the local market?
Collect current-season rates from marinas within a reasonable trailering or boating distance that serve a similar customer, meaning similar slip sizes, similar amenities, and similar water access. The Glorietta Bay Marina approach of averaging published rates across comparable facilities in the same bay is one documented method. Focus on per-foot pricing so you can compare across different slip sizes without distortion.
Evan Thomas profile

About the author

Evan Thomas

Co-founder, Propty

Evan Thomas is a co-founder of Propty, which he started with his siblings in Austin, Texas, in 2025. He grew up in a family that owns and runs properties, so the problems Propty works on are the ones he watched his family handle: phones that ring after hours, renters waiting on answers, repairs that need a vendor today. At Propty he leads the product and the go-to-market, and he writes about what operators of self storage, mobile home parks, marinas, campgrounds and other property businesses can do to answer every customer and keep their properties running.

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