 It was later discovered that this grant did not include the land surrounding Newport Bay and the oceanfront at Newport Beach, for each was considered worthless.Like most California ranchos, Sepulveda's Rancho San Joaquin was soon largely self-sufficient, producing most of its everyday needs by growing virtually all its produce and beef cattle.Sepulveda focused his attention on his grasslands, largely ignoring the abundance of the ocean adjacent to his property.