Marinas are closed to public.. See the official rules here...

[4lbstest]

(5) Section 37 of Schedule 2 to the Regulation is revoked and the following substituted:

Marinas
37. (1) Marinas that meet the conditions set out in this section.

(2) Subject to subsection (4), only the following services may be provided:

1. Repairing or servicing boats or other watercraft.

2. Placing boats or other watercraft in the water to be secured to a dock until the marina is open to the public.

3. Any other services that may be required to,

i. enable individuals to access their place of residence or their other property,

ii. support government operations or services, or

iii. support the transportation of items by commercial barges.

(3) For greater certainty, the person who operates the marina shall not permit it to be used for recreational boating purposes except as described in paragraphs 1 and 2 of subsection (2).

(4) For greater certainty, nothing in this Order precludes a person responsible for a marina that maintains docking facilities for members or patrons from operating a food or drink establishment on the premises, as long as section 6 is complied with.

[SpoonPullers.com]

[straitlineanglers]

a boat launch standing alone is not a marina. just a launch.  grey area maybe.

[4lbstest]

This is just to let us know that once the municipalities close all the public boat launches (and they do), we won't have a second option for launching from a marina.  I don't see any grey area here really.