Seaforth Marina (Mission Bay): rules for vendors and boat owners
What Seaforth Marina (Mission Bay) publishes for marine service providers and for boat owners, quoted from the operator's own pages and documents. Each rule shows its source and the date we last read it.

At a glance
- Run by
- Seaforth Marina (private operator on a City of San Diego leasehold) (private marina)
- Region
- Southern California
- Vendor permit
- Marina approval + signed Premises Access Agreement: No fee published[Seaforth Marina]
- Liability minimum
- $500K per occurrence[Seaforth Marina]
- Rules last checked
- Last verified
Rules for service providers
Before your first job here, line up:
- Business license: A current business license (Rule 37.1).
- Insurance: general liability $500K per occurrence.
- Marina approval + signed Premises Access Agreement: No fee published.
- If you clean hulls: Bottom cleaning must use best management practices to minimize discharge of bottom paint.
- Apply: Each contractor an owner hires must be approved by the marina before work starts and sign a Premises Access Agreement at the marina office.
- Permit or registration
Marina approval + signed Premises Access Agreement: No fee published
[1]Wharfage Rules dated December 2023.
Last verified
- Insurance
General liability: $500K per occurrence
- Workers' compensation for employees
Rule 14: liability insurance “in an amount of at least … ($500,000.00).” Additional-insured wording is not stated.
Last verified
- Business license
A current business license (Rule 37.1).
[1]Last verified
- Hull cleaning and paint work
- Bottom cleaning must use best management practices to minimize discharge of bottom paint.
- Hull painting and spray painting at the dock are prohibited.
Last verified
- How to apply
Each contractor an owner hires must be approved by the marina before work starts and sign a Premises Access Agreement at the marina office.
[1]Last verified
Rules for boat owners
- Copper paint and hull cleaning
The marina recommends non-toxic, biocide-free bottom paints and encourages owners to use hull-cleaning companies that follow BMPs and monitor their divers.
[1]Last verified
Hiring someone to work on your boat here
Based on what the harbor requires of vendors, ask your provider for:
- Their Marina approval + signed Premises Access Agreement (current, not expired).
- A current certificate of insurance on file with the harbor office.
- Their local business license number.
Marinas these rules cover
- Seaforth Marina San Diego
What we looked for and didn't find
- Slip rates and liveaboard rules (not in the Wharfage Rules).
- A City of San Diego marine-vendor or hull-cleaning permit for Mission Bay: none found.
“Not found” means it isn't in the public pages we read, not that no rule exists.
Next steps
- Compare every harbor's vendor requirements
- Total the permit fees for the harbors you work
- Check your insurance against published minimums
- How to become an approved vendor at a California marina
- Starting a hull-cleaning business in California
- Boat owners: how to hire a marine contractor
- Boat owners: hull cleaning interval estimator (copper paint rules)
- All harbors
Sources
- Seaforth Marina. Seaforth Marina Wharfage Rules (December 2023).