O'Neill's Bar & Grill is a unique place to dine with your family and friends; we call it our "Hidden Gem" with views spanning from the 18th. hole of Arroyo Trabuco Golf Club to the natural Reserve at Rancho Mission Viejo and Trabuco Creek located in South Mission Viejo. Our patio dining is one of the best in south Orange County. O'Neill's follows high service standards and is committed to deliver an excellent experience for each one of our guests.