For a quiet but memorable close to New Year's Eve, start with Vana Nava Sky Bar Rooftop at Holiday Inn (Hua Hin). Set on the 27th floor with views over Hua Hin town and the coastline, it works well for an evening view after a day at the water park. Seats tend to fill quickly in peak season, so book ahead.
If someone in your group finds Thai food heavy, look at White Lotus Restaurant and Rooftop at Hilton Resort & Spa. It pairs a dim sum buffet with rooftop seating, so lunch can run on familiar dishes while the evening shifts to the rooftop view.
For an atmosphere-led dinner, consider Lido Restaurant at The Standard, Hua Hin. It suits an informal New Year's Eve evening for couples or friends within The Standard's distinctive interior.
For a relaxed afternoon, compare Afternoon Tea at Hyatt Regency Hua Hin, Afternoon tea at Avani+ Hua Hin Resort, and Afternoon tea at Anantara Hua Hin Resort. Hyatt Regency suits an afternoon without a round of golf, while Avani+ and Anantara both offer a quiet garden setting. All three run on limited seating, so reserve ahead.
For a beachside daytime mood, consider Sundance Dayclub Hua Hin. It runs as a beach day club, suited to daytime relaxation rather than an evening countdown.
Before booking, check seat availability, what the buffet or afternoon tea menu includes, and any minimum party size. Rooftop dinner seats and afternoon tea slots tend to fill first over the New Year holiday, so book promptly once your dates are set. Use the current product details for the final menu and pricing.