Humminbird Lakemaster VX Ontario microSD unleashes precision mapping for Ontario’s lakes, delivering crisp, detailed lake charts that put the best fishing spots at your fingertips. Designed to pair seamlessly with Humminbird devices, this microSD card brings the power of Lakemaster VX to your boat, helping you read contours, plan routes, and navigate with confidence.

Why You'll Love Lakemaster VX Ontario

• VX Technology — Exceptional map performance with customizable color palettes for easy viewing in any lighting condition.
• SmartStrike — Highlights areas of the lake map where fish are most likely biting. (*Select HD Lakes Only)
• Chart Presets — Simple, quick changes between your own custom view settings to match conditions and preferences.
• Shallow Water Highlight — Red shading makes shallow areas stand out, adjustable from 0 to 60 feet for instant awareness.
• Water Level Offset — Syncs depth contours and shorelines with actual water levels across lakes, reservoirs and rivers for accurate navigation.
• One-Boat Network — Connects your LakeMaster chart with a Minn Kota trolling motor, enabling automatic following of a depth contour line for seamless, hands-free control.

Whether you’re scouting structure, planning a trolling pass, or targeting productive depth ranges, the Lakemaster VX Ontario microSD delivers precise, lake-specific data to help you make smarter decisions on the water.