Is your Mauna Loa Macadamia Nut Visitor Center open? Customer Support March 11, 2022 01:15 Updated Due to the pandemic, our visitor center is closed until further notice. Return to Mauna Loa Related articles How do I contact Customer Support? Do you offer discounts or promotions? Where can I buy your product in stores? How do I open a wholesale account? I need to change or cancel my order!