The Smallmouth aren't on the spawn yet, or just starting, so they can be found all over, shallow and deeper water. Any of the islands shorelines and shoals and the reefs hold smallmouth. Two areas that don't get fished as much because of boat traffic are south of South Bass Island in the South Passage (good rock structure there) and the South Bass Island shoal east of Buckeye Point to the red buoy. If you fish during the week or early morning / late evening these two places are good spots. Otherwise there is no need to run a long distance, just start with the closest reef, shoal, or island shoreline areas. The bass haven't been targeted much yet so even the close areas should produce. But make sure you handle the fish carefully and return ASAP to the water. Catch and release only. Once the spawn starts you should not fish for smallmouth, as removing one from a nest for only a few minutes can result in losing the entire nest eggs to gobies. While scuba diving I've seen smallmouth nests surrounded by gobies and the poor bass was doing all it could to keep them out. Dozens of the gobies surrounding the nest, just waiting for an opportunity to rush in and grab some eggs.