Humminbird 999ci HD SI Best 8-inch Screen Combo Fish-finder

Humminbird 999ci HD SI Best 8-inch Screen Combo Fish-finder

It’s one of the most versatile and user-friendly fish finders out there.

It features a large color display that can be used to visualize the user’s potential catches, without sacrificing anything in terms of accuracy.

The model features a built-in GPS.

Loading the info is quick and easy given that the Humminbird 999ci features a new high-speed processor.

Reviewers say that it’s well worth the money.

It’s significantly less affordable than various other alternatives in the same line.

Our Review


The Humminbird 999ci is filled with essential capabilities that can take your fishing experience to a whole new level by allowing you to find out the location of your targets without too much effort. The wonderful thing about this model is that it boasts a large 8-inch color display of which the clarity has been complimented by numerous buyers who reviewed the product. In addition, what makes it feasible for the unit to offer great readings is the fact that it also incorporates Side Imaging and Down Imaging Sonar. Since this model features an LED screen, it goes without saying that it may be used both when the sun and the moon are shining in the sky.

Humminbird 999ci HD SI Best 8-inch Screen Combo Fish-finder

Buy from for: See the Price!


The water resistance of the Humminbird 999ci is yet another outstanding feature of this product line. We’ve all experienced the frustration of getting a little too wet while fishing in a river, lake, or wherever your excursions may lead you. As a result, the producers were motivated by the needs of both novice and experienced fishers when designing this product, which resulted in it being waterproof.


Furthermore, the Humminbird 999ci is equipped with a built-in GPS navigation system, which, however, differs significantly from the other systems we examined throughout our research. According to the manufacturer, the Humminbird GPS system includes a 50-channel receiver that also includes ContourXD mapping capabilities. Furthermore, you’ll have more than enough freedom to personalize the interface and program up to 45 routes and 2,500 points of interest into the system, among other things. The maps that are already included in the fish finder include over three thousand lake sites around the United States, as well as roads, interstates, ports, and other markers that may come in helpful at some point in the fishing expedition.

Depth capability

It is possible to adapt the depth capability of the device based on the seas in which you will be fishing, thanks to the fact that it has a dual beam frequency and allows you to choose between a 200 kHz and a 50 kHz transducer frequency. It’s also worth mentioning that the transducer included with this fish finder has a transom mount, which is a nice touch.


After all is said and done, if you’re looking to make an investment in a fish finder that is dependable, convenient, and completely functional, you might want to consider the Humminbird 999ci. The fact that it does not have a touchscreen display does not detract from the fact that it performs its functions and is water resistant.