The fee waiver is the hook here. Treasure Island is a genuinely low-traffic shelter compared to the ACC's main facility on 15th Street, which means a calmer environment to actually meet a dog without the noise and chaos of a bigger operation. The island's location — mid-Bay, accessible via the Bay Bridge — means most people skip it, which is exactly why the animals there tend to get overlooked.

Getting there: drive is easiest; take the Treasure Island exit off I-80 eastbound. No direct BART. Parking is free on the island. If you're coming from the East Bay, it's a shorter drive than you'd think — the shelter is practically the first thing you hit after the exit ramp.