[9] The original structure survived for 63 years, but due to terminal deterioration the decision was made to replace it in 1947.

The construction is specially designed to withstand unusually forceful wave pressures, and to protect the harbor.

As Terry Pepper wrote: Constructed of driven steel piles with concrete and rock fill, wooden buffers were added where needed.

The Pine River Channel is believed to be unique in the entire world inasmuch as it has a two-way current.

After severe westerly windstorms, waters pushed high into Lake Charlevoix will swiftly flow back out to meet other inbound currents.

Small whirlpools and eddies at the harbor mouth are not uncommon, and whitecaps can frequently be observed within the channel on the calmest days.The skeletal north pierhead tower has since been removed.

[3] The land based lighthouse keeper's residence was sold to a private owner and demolished.