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Boat dealer cross-border tax: US imports, US renters, USD floorplan
A meaningful share of new and brokered inventory in this trade comes from US builders and US auctions, which means duty, GST, and increasingly the federal luxury tax all attach before a boat is worth anything on your lot. Layer in American boaters renting a Canadian slip and a floorplan line that may be borrowed in US dollars, and a marina’s cross-border tax file has more moving parts than the season suggests. We price the border in before the deal, not after.
By the AnalytIQ Accounting team · Last reviewed: August 12, 2026
Importing a boat: duty, GST, and a different compliance path than cars
A boat's landed cost stacks the same way a car's does — hammer or invoice price converted to Canadian dollars, plus duty, GST, and any applicable excise — but the compliance route is genuinely different. Boats do not go through Transport Canada's RIV program the way cars imported from the US do; instead, CBSA's standard vessel import process applies alongside Transport Canada's pleasure craft licensing and hull identification number verification, and it is worth confirming the specific requirements for a given hull before bidding rather than assuming the car-import playbook transfers directly. Duty generally follows where the boat was built: US, Canadian, or Mexican-built vessels with a valid CUSMA certificate of origin typically enter duty-free, while other origins pay the applicable tariff rate for the vessel class — confirmed per hull, since classification and rate can vary.
Outboard motors, trailers, and major components purchased separately from a US supplier follow the same landed-cost logic and often arrive on a different invoice and timeline than the hull itself, which makes it easy to lose one piece of the stack if the file is not tracked hull by hull from the first purchase order.
| Border cost | When it applies | Recoverable? |
|---|---|---|
| Duty | Non-CUSMA-originating vessels | No — inventory cost |
| GST at 5 percent | Every commercial import, on the converted value | Yes — full input tax credit for a registered dealer |
| Federal luxury tax | Vessels for personal use priced above $250,000 | No — collected at import or sale |
| Freight, brokerage, licensing | Every import | No — capitalized into inventory cost |
The luxury tax follows the boat across the border too
Canada's Select Luxury Items Tax Act does not stop at domestic sales — it applies to imported vessels for personal use priced above $250,000 as well, calculated as the lesser of 20 percent of the amount over that threshold or 10 percent of the full value, collected on top of the 5 percent GST. A US-sourced boat in that price range needs the luxury tax built into the landed-cost math from the first bid, the same way duty and GST are, or the deal's real margin only shows up after the truck delivers it.
US-resident slip customers: a Canadian supply, taxed in Canada
An American boater who rents a Canadian slip for the season is still buying a service tied to Canadian real property, and the general place-of-supply rule makes that a fully taxable Canadian supply regardless of the customer's residency — there is no zero-rating available the way there might be for an exported good. The practical wrinkle is usually payment: US-resident customers often pay in US dollars, and those receipts need converting at the transaction-date rate into the same deferred-revenue schedule as every other slip customer, not tracked separately as a US-dollar side business.
American boaters who keep a boat in Canada all season also sometimes ask about their own cross-border obligations — whether leaving a US-registered vessel moored here has any Canadian tax consequence for them personally. It generally does not, provided the boat is simply moored and not being used in a Canadian business; the marina's job is limited to charging HST correctly on the slip fee it bills.
USD floorplan: exposure that crystallizes once a year, not daily
Where floorplan financing for US-built inventory is borrowed in US dollars, the debt moves with the exchange rate for as long as the boat sits unsold, and because most of that inventory is bought once ahead of the season rather than turned continuously, the FX exposure is really one large annual position rather than the daily churn a car dealership manages. The resulting gains and losses are ordinary income tied to inventory financing, not capital, and they belong in the season's real gross margin. A dealer carrying US-dollar floorplan into a slow selling season is effectively long a currency position on top of an inventory position, and the two risks deserve to be seen separately rather than blended into one number at year end.
Unit-level landed cost in Canadian dollars — purchase price at the transaction-date rate, plus duty, GST where not recovered, and any luxury tax — is what makes that margin visible; it is built through our marina bookkeeping service, with the full cross-border toolkit, including treaty positions on any US-source activity, available through our cross-border tax practice.
Source: CBSA — Guide to importing commercial goods, Step 3: duties and taxes.
Common questions.
Do imported boats go through the same RIV process as imported cars?
No. Boats follow CBSA’s standard vessel import process alongside Transport Canada’s pleasure craft licensing and hull identification verification, rather than the RIV inspection program built for cars. Requirements are worth confirming per hull before bidding.
Does the luxury tax apply to boats we import from the US, or only ones we sell domestically?
It applies at import as well as at domestic sale — vessels for personal use priced above $250,000 owe the tax either way, calculated as the lesser of 20 percent of the excess or 10 percent of the full value, on top of GST.
Do we charge HST to an American customer renting a slip for the summer?
Yes. Slip rental is tied to Canadian real property, so it is a taxable Canadian supply regardless of the customer’s residency — there is no export-style zero-rating available for it.
Related reading
The border priced into every hull.
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