Yes, spearguns are legal in Minnesota for recreational diving and fishing, provided they comply with state and federal regulations. The Minnesota Department of Natural Resources (DNR) permits their use in designated waters, but restrictions apply to size, power, and target species. Federal laws under the Migratory Bird Treaty Act and Clean Water Act may also impose additional constraints on speargun deployment.
Key Regulations for Spearguns in Minnesota
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Size and Power Limits: Spearguns exceeding 30 inches in length or propelling a projectile beyond 150 feet per second are prohibited without a special permit. The DNR enforces these limits to prevent overharvesting of game fish and ensure fair chase principles.
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Target Species Restrictions: Spearguns may only be used for non-game species (e.g., rough fish) or specific game fish during open seasons. Targeting protected species like lake trout or sturgeon is illegal, with violations punishable under MN Stat. § 97C.321.
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Licensing and Permits: A valid fishing license is required, and speargun users must adhere to DNR-issued regulations on gear specifications. Local ordinances in counties like Lake and Cook may impose additional seasonal or area-specific bans, effective as of 2026 compliance updates.