Vince Hoehn of CENTURY 21 Pierce Realty LLC, Manitowish Waters, WI

By no means is this a comprehensive list as I don't have access to a comprehensive list myself, but you may find this useful.

Countywide:

• Vilas County Musky Marathon  May 28-Nov. 30  Open to all for any legal muskie caught and released or kept from any Vilas County lake.  Information:  800-236-3649 or the Vilas County Musky Marathon page.

Local:

• Presque Isle Chamber Walleye Tournament  May 13-15  Held on certain lakes.  Information: 715-686-2910 or the chamber website.   
• Presque Isle Lion's Club Kids Fishing Tournament  May 18 - Sept. 5  All Presque Isle lakes  Information:  715-686-2636 or the chamber website.
• Fourth Annual Boulder Junction Walleye Tournament  June 3-5  Catch-and-release on 4 lakes.  Information:  715-385-2400
•  Sixth Annual Bob McClellan Memorial Fishing Tournament  June 11  $150 per boat; maximum of four anglers per boat.  Information:  715-543-8842 or the tournament website.  
• 35th Annual Musky Classic  Sept. 9-11  Hosted by the towns of Manitowish Waters, Boulder Junction, Presque Isle, and Winchester.  Information:  715-686-7657 or the Musky Classic website.
• 23rd Annual Greater Wisconsin Muskie Tournament  Sept. 30-Oct. 2  St. Germain area.  Information:  715-477-2205 or the website.

A little farther out:

• 31st Annual Spring Classic Musky Fishing Tournament  June 11-12  Eagle River area.  Information:  715-477-2667
• National Championship Musky Open  Aug. 19-21  Eagle River area.  Information:  715-479-6400
• 31st Annual Midwest Musky Classic  Sept. 30- Oct. 1  Phelps area.  Information:  715-545-3800 or the website.