Eldie Martin Sylvester was last seen April 20, 1970, at the docks at Cedar Point in Georgian Bay, Ontario. He had intended to take a scoot, a small motorboat that can travel on water and ice, back to his home on Christian Island. Eyewitnesses say he may have grown impatient waiting for the vessel and left on foot to cross the still-frozen bay; that was the last confirmed sighting.

At the time he disappeared he was described as an Indigenous man about 67 inches tall, roughly 201 pounds, medium build, with brown hair. On that day he reportedly wore a green and red reversible hat, a jacket, and black rubber boots. The prevailing theory is that unpredictable, thinning ice in April led to him falling through while attempting to walk across the bay, but he was never found.

The case remains open and unresolved. Does anyone who lived on or near Christian Island in 1970 remember seeing Eldie or the scoot that day, or have information about searches that followed?