Here are some of the wineries near Kiama that you can visit:
I recommend booking your wine tastings in advance, especially if you are visiting during peak season.
The wineries I have listed are all within a 30-minute drive of Kiama. The prices for wine tastings vary, but you can expect to pay around $20-30 per person for a tasting of 4-6 wines.
I hope this helps!
Please let me know if you have any other questions.