Mirror Lake Library The Mirror Lake Library is a St. Petersburg Public library that is a Carnegie library built in 1915 in style. On June 13, 1986, it was added to the U.S.National Register of Historic Places. Location Get Directions Add to Remove from Trip Favorites Details Community: St. Petersburg Address 280 5th Street NSt. Petersburg, FL 33701 Get Directions Search Hotels & Rates Check-In Date Date E.g., 03/07/2021 Check-Out Date Date E.g., 03/07/2021 Location All AreasBelleair BeachClearwaterClearwater BeachCrystal BeachDunedinGulfportIndian Rocks BeachIndian ShoresLargoMadeira BeachNorth Redington BeachOldsmarPalm HarborPass-a-grille BeachPinellas ParkRedington ShoresSafety HarborSeminoleSt. Pete BeachSt. PetersburgTarpon SpringsTierra VerdeTreasure Island Sort By A-ZPriceRating Clear Search