After conducting research, it appears that there is no boat ramp named Lake Vista Drive in Montgomery County, Arkansas. However, there is a Lake Ouachita Vista Drive boat ramp located at latitude 34.5922° N, longitude -93.3004° W.

The Lake Ouachita Vista Drive boat ramp is a public concrete boat ramp located on the northern shore of Lake Ouachita. It is approximately 20 feet wide and can accommodate multiple boats at once. The ramp is free to use and is open year-round.

Lake Ouachita is a large man-made lake located in Garland and Montgomery counties in Arkansas. It is over 40,000 acres in size and has over 690 miles of shoreline. The lake is known for its clear water, scenic beauty, and abundance of recreational activities, including boating, fishing, and watersports.

A variety of watercraft are permitted on Lake Ouachita, including motorized boats, sailboats, kayaks, canoes, and paddleboards. There are also several marinas located on the lake that offer boat rentals and other services.

It is important to note that the information provided above is as of August 2021 and is subject to change. It is always recommended to check with local authorities or organizations for the most up-to-date information on boat ramps and water regulations.