His death was ruled an accident, according to the Snohomish County Medical Examiner's Office.
Police believe Grimes was fishing when he somehow ended up in the water. His boat also was recovered.
The investigation continues.
More Local News Headlines
Victims of Oso mudslide still await buyouts, 16 months later Study at Kayak Point Park will determine if clamming can return 7:38 a.m. Arlington’s former Food Pavilion gets remodel, two new stores Sultan seeks to save deteriorating mural that memorializes firefighters Fire District 3, Fire District 7 will meet to consider a merger Nature is at the root of new preschool in Monroe Front Porch: Help stuff a bus School winners
Our new comment system is not supported in IE 7. Please upgrade your browser here.