Deeper START: Castable Smart Sonar Fish Finder

Stop guessing and start catching. Your smartphone is now a powerful, pro-grade depth finder.

The Deeper START brings cutting-edge sonar technology to your favorite fishing spot without the hassle of wires or complex setups. Whether you are fishing from a dock, the shore, or a kayak, this castable smart sonar provides real-time data directly to your mobile device, helping you locate fish, identify bottom structures, and map out vegetation in seconds.

Why Choose the Deeper START?

• Plug-and-Play Technology: Designed for immediate use. Pair it with the free Fish Deeper App (iOS & Android) and gain instant visibility into what’s happening beneath the surface.

• Intelligent Connectivity: The device generates its own stable Wi-Fi signal, meaning you don’t need cellular data to use it. Plus, the app automatically logs your scans with time and location markers.

• Impressive Sonar Performance: Cast up to 165 feet with reliable accuracy. The 40° sonar beam provides a wide, detailed view of the water, and it’s even equipped with a dedicated Night Fishing Mode.

• Sleek & Portable: No bulky batteries or external wires. The lightweight, aerodynamic design is built for smooth, long-distance casting.

• Stay Out Longer: Enjoy a full day on the water with a 6-hour battery life and a quick 2.5-hour recharge time.

Product Specifications

• Range: Up to 165 ft

• Depth Capability: Up to 165 ft

• Sonar Beam: 40° coverage for wide-angle scanning

• Connectivity: Dedicated Wi-Fi (No mobile data required)

• Compatibility: Free Fish Deeper App (iOS & Android)

Pro-Tip: "Mastering the Scan"

Don't just reel it in as fast as you can! For the best results, use a slow, steady retrieve. By reeling at a consistent, leisurely pace, you allow the sonar beam to create a detailed, uninterrupted map of the bottom contour. If you see a cluster of fish, pause your retrieve—this helps the app refresh its data on that specific spot, giving you a better idea of fish size and activity levels before you cast your lure into the strike zone.