Frozen strawberries, lime juice, tequila, Cointreau. An immersion blender that can handle the frozen berries is enough. But in terms of taste, it's very far from whisky.
To get back to the kitchen topic: For cocktail preparations, especially if you often make them for guests, you mainly need space that can be built in and preferably has its own sink. The real wood countertop is not ideal here because sugar and acids behave differently than fats and flours.