Punta Bulata Resort & Spa Earns 2018 Tripadvisor Certificate of Excellence! Now in its eighth year, the achievement celebrates businesses that have earned great traveller reviews on TripAdvisor over the past year. Certificate of Excellence recipients include accommodations, restaurants and attractions located all over the world that have continually delivered a quality customer experience. The Certificate of Excellence accounts for the quality, quantity and recency of reviews submitted by travellers on TripAdvisor over a 12-month period. To qualify, a business must maintain an overall TripAdvisor bubble rating of at least four out of five, have a minimum number of reviews and must have been listed on TripAdvisor for at least 12 months.