From Tampa: Take I-275 S to exit 19.  Keep right at the fork and merge onto 22nd Ave S.  Use the left 2 lanes to turn left onto 34th St S.  The Addison Skyway Marina is located on the right.

From Clearwater: Follow US-19 S to FL-694 E/Gandy Blvd in Pinellas Park.  Take the FL-694 E exit from US-19 S.  Use the right lane to merge onto I-275 S via the ramp to St. Petersburg.  Keep right on I-275 S.  Take exit 19 for 22nd Ave S.  Keep right at the fork and merge onto 22nd Ave S.  Use the left 2 lanes to turn left onto 34th St S.  The Addison Skyway Marina is located on the right.