Давайте рассуждать со ссылками на первоисточники...

А там все проще:http://www.mla.on.ca/Page.asp?PageID=122&ContentID=1216&SiteNodeID=183

Кто может возить спиртное? Да, только лодки с каютой, кухней и спальным местом (Sec.3/7 Read Ontario Liquor Licence Act) и стоЯщие на якоре.
Снялся с якоря - все спиртное должно быть под замком, или все открытые контейнеры сухими.

Пить или не пить?

 Bill 209 from 2006, drunk boaters will be subject to the same suspension penalties that now apply to drivers

См. детали по ссылке выше и еще:

 

Ontario Liquor Licence Act: 

 

Sec. 32 (3) No person shall operate or have care or control of a boat that is underway while there is contained in the boat any liquor, except under the authority of a licence or permit. 

 

Sec.32 (4) Exception-Subsection (3) does not apply if the liquor in the boat, (a) is in a container that is unopened and the seal unbroken, (b) is stored in a closed compartment. 

 

Sec. 32 (5) A police officer who has reasonable grounds to believe that liquor is being unlawfully kept in a vehicle or boat may at any time, without warrant, enter and search the vehicle or boat and search any person found in it. 

 

Sec.32 (6) Definition-In this section, "boat" includes any ship or boat or any other description of vessel used or designed to be used in the navigation of water. 

 

CONSUMING LIQUOR IN A BOAT, 

ONTARIO LIQUOR LICENCE ACT REGULATION 718 

 

Sec. 3 (7) A boat with permanent sleeping accommodation and permanent cooking and sanitary facilities, other than a boat used to carry passengers for hire is considered to be a private place while the boat is at anchor or is secured to the dock or land.