Based on the available information, the Lake Lane boat ramp in Decatur County, Georgia is a public boat ramp. It is not clear how wide the ramp is, as this information is not provided. The ramp services Lake Seminole, a reservoir located on the border of Georgia and Florida.

According to the Georgia Department of Natural Resources, boats of all types are allowed on Lake Seminole, including fishing boats, pleasure boats, and personal watercraft. However, it is important to note that there are certain regulations in place regarding the use of boats on the lake. For example, all boats must be registered and have a valid Georgia or Florida boat registration, and boaters must follow speed limits and other safety guidelines.

Overall, it appears that the Lake Lane boat ramp is a convenient access point for those looking to launch their boats and enjoy the recreational opportunities available on Lake Seminole.