How much is boat insurance in your state? Requirements and what drives the price

No state publishes boat insurance prices. Whether insurance is legally required depends on the state, and it has to be checked state by state. Of the states we checked against official sources, Maryland and North Dakota say outright that state law does not require boat insurance (both rechecked Oct 16, 2026). For South Dakota, New Jersey, West Virginia, and New Hampshire, no requirement was found in state boating law as of Oct 16, 2026; confirm with your insurer. Even where the state doesn't require it, a lender or marina may. BoatCost's insurance line is a planning estimate. Replace it with a written quote.

Is boat insurance required in your state?

The table shows what we could confirm from official state sources: the state insurance regulator, the state code, or the state boating agency. Here is what each answer means:

• No. An official state source says state law does not require boat insurance.
• No requirement found. We read the state's boating law (named in the table) and found no insurance requirement for private owners, but no agency states it directly either way. Confirm with your insurer.
• Not verified. We haven't checked this state against an official source yet. We don't guess.

Even when state law doesn't require insurance, other people can. The Maryland Insurance Administration notes that if you borrowed money to buy the boat, the lender may require a policy to protect its interest. Marinas and storage yards set their own proof-of-insurance rules in their contracts. Ask before you sign.

Each state cost page has its own calculator and official facts block. Pages that already have an insurance section go into more detail: Maryland bay boat, South Dakota PWC, North Dakota PWC, New Jersey PWC, and West Virginia PWC.

What changes a boat insurance premium

An insurer prices your boat, your waters, and you. The same boat can get very different quotes for two owners. The main levers are:

• Insured value and how a total loss is settled. Agreed value, actual cash value (ACV), and replacement cost handle depreciation differently. The Maryland Insurance Administration says agreed value can cost more up front, and ACV costs less but factors in depreciation.
• Type, size, and horsepower. A small fishing boat, a cabin cruiser, and a personal watercraft are different risks.
• Where it lives and where you use it. Storage and waters matter. A trailer in a locked garage is different from a wet slip. The MIA notes that it usually costs less to insure a boat used in fresh water than in salt water.
• Season. The NAIC says boat policies may be suspended during the months the boat isn't in use. The MIA describes a "lay-up" discount for months in dry storage.
• Operator. The MIA says boating experience is one of the factors used for rating, and that many insurers offer discounts for a good driving record or a boater education class.
• Navigation limits. The MIA notes that most boat policies set a navigational territory, and you need an endorsement to go outside it.

Sources: Maryland Insurance Administration, Boats and Personal Watercraft; NAIC news release, May 1, 2015 (both checked Oct 9, 2026).

For the full list, including storms, deductibles, and trailers, read what actually changes a boat insurance premium.

How BoatCost estimates insurance

If you don't enter your own number in the insurance override, the calculator uses a simple planning rule:

• Personal watercraft: max(2% of price, $250)
• Pontoon or sailboat: max(1.2% of price, $250)
• Everything else: max(1.5% of price, $300)
• Then multiply by the state's insuranceMult

The dollar amounts are the model's minimums, not premiums. They keep a cheap boat from showing an insurance line near zero. They aren't the lowest price an insurer will charge, and they aren't a typical premium.

The state multiplier is a modeling choice. It tilts the estimate for coastal and storm exposure versus inland water and a short season. It isn't a rate filing or an average of real premiums. These are the model's multipliers for the states in this guide, read from BoatCost's state table on Oct 9, 2026:

The model can't see your waters, storage, deductible, or claims history. Get a written quote and enter it in the override. The all-in monthly and cost-per-outing numbers update to match. Try it in the BoatCost ownership calculator, and see where insurance fits in the whole budget in the true cost of boat ownership in 2026.

PWC vs. boat insurance

Personal watercraft raise a few insurance questions worth asking up front.

• Separate policy. The NAIC says personal watercraft such as jet skis often need a separate policy, which may come from your homeowners insurer or a company that specializes in boat insurance. New Jersey's Department of Banking and Insurance said in 2011 that PWCs will likely need a separate boat policy. The North Dakota Insurance Department says that for insurance purposes, a PWC is the same as any other boat.
• Theft and storage. A PWC is small and easy to trailer away. Ask whether storing it in a locked garage, a driveway, a lift, or an open lot changes the premium or the theft coverage.
• Trailer. Ask whether the trailer is covered on the PWC policy. Ask your auto insurer how it handles a highway claim while you're towing.
• Operator age and education. These are state law, and they shape who can ride. In South Dakota, SDCL 42-8-102 says no one under 14 may operate a PWC unless someone 18 or older is aboard, except in an emergency. In New Jersey, the licensing rules cover all power vessels, not just PWCs: under N.J.S.A. 12:7-61, anyone 16 or older needs a State Police–approved boat safety course to operate any power vessel, and MVC requires a boat license plus a New Jersey Boat Safety Certificate to operate any power vessel, PWC or not, on non-tidal waters. The PWC-only rules are in the New Jersey State Police Boating Safety Manual (June 2025): no PWC operation between sunset and sunrise; no faster than headway (slow) speed within 100 feet of the shoreline, swim-area markers, people in the water, or homes; a Coast Guard–approved life jacket for the operator and every passenger; and no PWCs in the Point Pleasant or Cape May canals. Under the same manual's age chart, no one under 16 may operate a PWC; 13- to 15-year-olds with a certificate are limited to electric-only boats or boats 12 feet or longer with under 10 horsepower. Ask the insurer how it treats family members, guests, and borrowed use.
• Seasonal use. Ask whether a lay-up or storage period changes the policy.

Sources: NAIC news release, May 1, 2015; NJ DOBI news release, July 6, 2011; North Dakota Insurance Department, Boats and Recreational; SDCL 42-8-102 (all checked Oct 9, 2026); NJ State Police Boating Safety Manual, Rev. 06.25 (June 2025), pp. 2, 36–37; NJ MVC — Boating; N.J.S.A. 12:7-61, 12:7-63, and 12:7-65 from the NJ Legislature's statute text (updated through P.L.2026, c.50) (all checked Oct 16, 2026).

Is PWC insurance more expensive than boat insurance? In BoatCost's model, a PWC uses a higher percent of price than a pontoon or a bowrider, so the insurance line is a bigger share of what the PWC costs. Because PWCs usually cost less to buy, the dollar total can still come out lower. Real insurers may price them very differently. Get quotes on both.

Does a lender, marina, or homeowners policy change the answer?

• Lender. If you finance the boat, the loan agreement may require coverage. The Maryland Insurance Administration says so directly. Read the loan documents.
• Marina or storage yard. Slip and storage contracts can set their own insurance rules. Ask for them in writing before you sign.
• Homeowners policy. Check your own policy before you assume anything. The NAIC says a homeowners policy may cover only limited physical damage to a small boat, has limited liability coverage, and excludes large boats. The North Dakota Insurance Department says a homeowners policy probably won't cover your boat, because coverage for some types of boats is limited.

Sources: Maryland Insurance Administration, Boats and Personal Watercraft; NAIC news release, May 1, 2015; North Dakota Insurance Department, Boats and Recreational (all checked Oct 9, 2026).

How to get and compare quotes

1. Set the price, type, length, and state on the ownership calculator.
2. Get at least two quotes with the same navigation limits, deductible, and loss settlement (agreed value or ACV).
3. Check that each insurer is licensed in your state with the state insurance regulator. The NAIC has a directory of state insurance departments.
4. Enter one quote in the insurance override, then re-run the cost per outing.
5. If a lender or marina requires higher limits, use the quote that meets them.

State regulator consumer pages:

• Maryland Insurance Administration — Boats and Personal Watercraft
• North Dakota Insurance Department — Boats and Recreational
• South Dakota Division of Insurance — Consumers
• New Jersey Department of Banking and Insurance — Consumers
• West Virginia Offices of the Insurance Commissioner — Property and Casualty Consumer Services (handles boat insurance questions and complaints)
• NAIC — Summer Safety: Are You Insured for Summer Fun? (May 1, 2015)

FAQ

Is boat insurance required in my state? Check the table above. Maryland and North Dakota say no in official consumer guidance. For South Dakota, New Jersey, West Virginia, and New Hampshire, no requirement was found in state boating law as of Oct 16, 2026; confirm with your insurer. Your lender or marina may require insurance even when state law doesn't.

How much is boat insurance per year? There is no single number, and no state publishes one. The price depends on the boat's value and type, where it's kept and used, who operates it, and the coverage you pick. BoatCost shows a planning estimate from a percent of price, a minimum, and a state multiplier. Replace it with a written quote.

Is PWC insurance more expensive than boat insurance? Not always. BoatCost's model uses a higher percent of price for a PWC, but PWCs usually cost less to buy. Insurers price them in their own ways, so compare real quotes.

Does my lender or marina require insurance? They may. The Maryland Insurance Administration says a lender may require a policy if you financed the boat. Marinas and storage yards set their own rules. Ask both before you sign.

Does homeowners insurance cover a boat? Check your policy. The NAIC says a homeowners policy may cover only limited physical damage to a small boat and excludes large boats. The North Dakota Insurance Department says it probably won't cover your boat. Ask your agent what is and isn't covered.

Is the BoatCost insurance number a quote? No. It's max(type percent × price, dollar minimum) × state multiplier unless you override it. The minimum is a model floor, not a premium.