: You can turn silver keys into gold keys by queuing low-cost buildings like kiosks or water parks before ending your day.
: Invest in multi-use buildings where people live and work; these generate a high volume of cash. Commercial structures like banks, restaurants, and spas also offer some of the highest payouts for gold and silver keys. City Island 5 Tycoon Sim Game - Free Hack
: Use commercial buildings to exchange silver keys for silver chests. Upgrading buildings to Level 7+ increases your silver key payout significantly. : You can turn silver keys into gold
: Participate in "Crook Events" to net large amounts of keys and building upgrades. City Island 5 Tycoon Sim Game - Free Hack
Which buildings generate the most gold coins in City Island 5?