The new site was overlooked to the north and west by a steep promontory known as Coogan's Bluff. Because of its elevation, fans frequently watched games from the Bluff without buying tickets. The ballpark itself was in bottomland known as Coogan's Hollow. The grandstand had a conventional curve around the infield, but the shape of the property made the center field area actually closer than left center or right center. This was not much of an issue in the "dead ball era" of baseball. The land remained in the Coogan estate, and the Giants were renters for their entire time at Polo Grounds II, III and IV. The Brooklyn Dodgers played a pair of home series at this ballpark in late July and early August 1890.

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