Boat Rentals on Lake Austin and Lake Travis. Great Prices, safe Captains, and clean boats is why we are the most rated boat rental company in Austin. Austin Rental boats is a boat rental service located in Austin, TX that specializes in party boat rentals and boat tours. We rent our boats on Lake Austin and we have multiple pickup locations. No other boat rental service in Austin offers better service, or has better Captains than Austin Rental Boats.