ReelTourney

Diamond Lake Fishing Tournaments

6 tournament dates listed ahead and 30 past listings on Diamond Lake, Cass County, Michigan.

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Bass

6dates listed ahead
12+organizers named
Junebusiest month
Sundaysmost common day

Upcoming on Diamond Lake

DateListed eventListed launch
Sat, Jun 19 S.M.A.C. Southwest Michigan Anglers Club S.M.A.C. Open to the public Agency listing Bass Not named Details
Jul 25–26 St. Joe Valley Bassmasters Not open to the public Agency listing Bass Not named Details
Sun, Aug 1 Stop 10 Michiana Fishing League Open to the public Agency listing Bass Not named Details
Thu, Aug 5 Michiana Singles 1-person Per Boat Casting Couples Open to the public Agency listing Bass $60 Not named Details
Sat, Sep 11 Casting Couples Diamond Casting Couples Open to the public Agency listing Bass $60 Not named Details
Sun, Sep 12 Michiana Singles 1-person Per Boat Casting Couples Open to the public Agency listing Bass $60 Not named Details

Planning a Day on Diamond Lake?

These dates show when organized tournaments are listed here and where sources say they launch. Use them to pick a day or a ramp. They are listings, not counts of boats: they do not show how many anglers will turn up, or that any ramp will be closed.

Who Runs Tournaments Here

Recent Fish Stocking

SpeciesMost recentStockings (2 yrs)Fish
WalleyeJun 2, 2026146,637
Every stocking the agency lists here (1, last 3 years)
DateStatusSpeciesFishSize
Jun 2, 2026StockedWalleye46,6371.39 in

From state agency stocking reports (source). Matched to this water by name and county; for a water that spans counties, such as a Great Lake, every county's stockings count. All Michigan stocking →

Past Listings

Dates that were listed for this water. A listing does not confirm the event took place.

Show 30 past listings

Diamond Lake Tournament Questions

How many fishing tournaments are held on Diamond Lake?
36 are on record here, with 6 still ahead.
When is tournament season on Diamond Lake?
Most listed tournaments fall in June, July and September, usually on Sundays and Saturdays.
Who runs tournaments on Diamond Lake?
Casting Couples, Reel Time Bass Club, S.M.A.C. and Michiana Fishing League, and 8 other organizers.
What species are Diamond Lake tournaments for?
Bass.
What do Diamond Lake tournaments cost to enter?
Published entry fees range from $60 to $60 across 5 listings that state one.

Other Michigan Waters

All Michigan tournaments →