I found the street by street, this should help you as far as directions. You might want to look to the map while reading this otherwise you may get confused being form out of town. Gasparilla also has a map online that shows street names
http://www.realbuzz.com/route_tampa/map.php you may notice that some of these are one way streets that you cant drive on, but you can look around and see the course, just not be able to drive the 13.1 an tone time.
As for your family, they will be able to see you finish but they wont get in the chute, as i recall it was closed for runners only. You can reunite after on the Platt st bridge where the post race food is held.
Marathon (+and Half Marathon+) Course Street by Street
Start to Mile 2 Tampa's Gasparilla Marathon & Half Marathon starts at the intersection of Platt Street and Parker in front of the South Tampa Publix. The route travels west on Platt to Magnolia, turn left on Magnolia and travel south to Bayshore, cross Bayshore Blvd. to the Davis Island Access Bridge and onto Davis Island. Follow Davis Island Blvd southeast, Davis Island turns into E. Davis Island Blvd., turn left on Bering and follow east to Columbia, continue southeast on Columbia, turn left on Barbados, continue east on Barbados, turn right on Channel Drive
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Mile 2 to 4 Continue south on Channel Drive, Channel Drive turns into South Davis Blvd, follow South Davis Blvd to Martinique, turn right on Martinique and travel south west, turn right on West Davis Blvd and travel north
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Mile 4 to 6 Continue north on West Davis Blvd, turn left on Adalia Ave., follow Adalia back to Davis, turn left on Davis and exit Davis Island via the Bayshore/Davis Island access bridge
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Mile 6 to 8 At Bayshore turn right and follow Bayshore Blvd north through the Finish Line and over the Platt Street Bridge, turn left on North Ashley Drive and travel northwest, turn left on W. Tyler Street and travel southwest, veer right on Cass Street and travel west over the Cass Street Bridge. *
Half Marathon: At Brorien turn West across bridge and turn left on Little Bayshore Blvd and travel south, turn right on Platt Street and travel west, pass over the Start Line, turn left on South Plant Ave and travel south, turn left on West Beach Place and travel east/southeast, turn right on Bayshore Blvd and travel southwest. *
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Mile 8 to 10 Continue west on Cass, turn right on North Boulevard and travel north, turn right on West Laurel Street and travel east, turn right on N. Doyle Carrolten Dr. and proceed to the turn around head back on Doyle Carrolten. Turn left on West Laurel Street make a right when you reach Green Street and travel northeast, follow Green Street back to North Boulevard, turn left on North Boulevard and travel south, turn left on Cass Street and travel east *+Half Marathon: Continue south on Bayshore Blvd.+< </strong>
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Mile 10 to 12 Continue east on Cass Street back over the Cass Street Bridge, turn right on Ashley Drive and travel south, turn right on West Brorein Street and travel west, turn left on Bayshore Blvd and travel south, turn right on Platt Street and travel west, pass over the Start Line, turn left on South Plant Ave and travel south, turn left on West Beach Place and travel east/southeast, turn right on Bayshore Blvd and travel southwest *+Half Marathon: Continue south on Bayshore Blvd until the turn around at the median cut just north of Julia St (colonnade restaurant) travel north to the 12 mile mark.+< </strong>
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Mile 12 to 14 Continue southwest on Bayshore to mile marker 14 near the intersection of Bayshore Blvd and West Santiago Street *
Half Marathon: Continue north on Bayshore to the Finish Line at Tarpon Dock and Bayshore Blvd. *
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Mile 14 to 16 Continue southwest on Bayshore to Interbay Blvd, veer left onto Interbay Blvd and travel southeast
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Mile 16 to 18 Continue southeast on Interbay through Ballast Point park and back to Bayshore Blvd, turn left on Bayshore Blvd and travel south, turn right on West Bay Haven Drive and travel west
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Mile 18 to 20 Continues west on West Bay Haven Drive over South MacDill Ave into Gadsden Park, follow the running trail around the park starting to the left and continuing counter clockwise around the outside of the park, exit the park through the same entrance back over South MacDill Ave and onto West Bay Haven Drive, turn left on Bayshore Blvd and travel north
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Mile 20 to 22 Continues north on Bayshore Blvd to Interbay Boulevard and back through Ballast Point Park and back to Bayshore Blvd to mile marker 22 at the intersection Gandy Blvd. and Bayshore.
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Mile 22 to 24 Continues northeast on Bayshore Blvd. to mile marker 24 at the intersection of Fred Ball Park and Bayshore.
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Mile 24 to 26.2 Continues northeast on Bayshore Blvd. to Finish Line at Tarpon Dock.
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