– Feb 22, 2008
| Number | County | Town | Size | Built | Verif | GPS | Description |
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| FL-29-01 | Hillsborough | Tampa | 90' | N27 58.90 W82 32.07 | At the Tampa International Airport in Tampa. Airport Access Rd. (Bessie Coleman Blvd) N. 1.8 miles from jct with FL60 (Memorial Hwy) in Tampa to the N. side of the terminal to the bldg on the S. side of the road. Marriot Hotel revolving restaurant, round bldg. | ||
| FL-44-01 | Monroe | Key West | 08-2003 | N24 33.51 W81 48.03 | In Key West. US1 SW 1.0 miles from jct with 1st St. (FL5A) in Key West, NW on Elizabeth St. 0.5 miles, NE on Eaton St. 250' to the house on the S. side of the road at 720 Eaton St. | ||
| FL-48-01 | Osceola | Kissimmee | 92' x 60' | 1973 | 01-1999 | N28 20.00 W81 30.05 | NW of Kissimmee. US192 (Space Coast Hwy) W. 7.2 miles from jct with US17 (Main St.) in Kissimmee to the bldg on the N. side of the road. Orange World, true round bldg, orange dome. |
| FL-52-01 | Pinellas | St. Petersburg | 1965 | In St. Petersburg. At 400 1st St. SE. Bayfront Center, true round bldg. | |||
| FL-52-02 | St. Petersburg | In St. Petersburg. True round bldg. | |||||
| FL-52-03 | St. Petersburg | 11-2007 | N27 46.90 W82 43.40 | In St. Petersburg. 9th Av. N W. 0.5 miles from jct with US19A (Tyrone Blvd N) in St. Petersburg to the bldg on the N. side of the road at 6363. Bishop Thomas Larkin Pastoral Center, 12-sided bldg, cement. | |||
| FL-52-04 | St. Petersburg Beach | 20' x 28' | 11-2007 | N27 44.30 W82 44.96 | In St. Petersburg Beach. FL699 (Gulf Blvd) S. 0.3 miles from jct with FL693 (75th Av.) in St. Petersburg Beach to the bldg on the W. side of the road at 6900. | ||
| FL-52-05 | St. Petersburg Beach | 11-2007 | N27 43.55 W82 44.58 | In St. Petersburg Beach. FL699 (Gulf Blvd) N. 1.1 miles from jct with FL682 (Pinellas Byway) in St. Petersburg Beach to the hotel on the W. side of the road at 5250. Grand Plaza Hotel, oval bldg. | |||
| FL-52-06 | St. Petersburg Beach | 11-2007 | N27 43.73 W82 44.59 | In St. Petersburg Beach. FL699 (Gulf Blvd) N. 1.4 miles from jct with FL682 (Pinellas Bayway) in St. Petersburg Beach to the bldg on the W. side of the road at 5400. Avis Car Rental, true round bldg. | |||
| FL-52-07 | St. Petersburg Beach | 11-2007 | N27 43.76 W82 44.73 | At the TradeWinds Island Resort in St. Petersburg Beach. FL699 (Gulf Blvd) N. 1.4 miles from jct with FL682 (Pinellas Bayway) in St. Petersburg Beach to the hotel on the W. side of the road at 5500. The bldg is on the Gulf side of the resort. | |||
| FL-52-08 | St. Petersburg Beach | 11-2007 | N27 45.36 W82 45.57 | In St. Petersburg Beach. FL699 (Blind Pass Rd.) N. (curves W.) 1.1 miles from jct with FL693 (75th Av.) in St Petersburg Beach to the bldg on the S. side of the road. Gulf Winds Mortgage, octagon bldg, 2 story, cupola. | |||
| FL-52-09 | Gulfport | 11-2007 | N27 45.37 W82 43.15 | At the Stetson University College of Law in Gulfport. 22nd Av. S (becomes Gulfport Blvd & curves NW) W. 2.7 miles from jct with I275 exit 19 in Gulfport, N. on 61st St. 0.2 miles to the bldg on the W. side of the road at 1401. Golden tower, octagon bldg. | |||
| FL-52-10 | Gulfport | 11-2007 | N27 45.36 W82 43.19 | At the Stetson University College of Law in Gulfport. 22nd Av. S (becomes Gulfport Blvd & curves NW) W. 2.7 miles from jct with I275 exit 19 in Gulfport, N. on 61st St. 0.2 miles to the bldg on the W. side of the road at 1401. Student Center, true round bldg. | |||
| FL-55-01 | St. Johns | St. Augustine | c1880 | 06-2004 | N29 53.25 W81 17.32 | In St. Augustine. King St. E. 0.8 miles from jct with US1 in St. Augustine, continue E. across the Bridge of Lions (0.4 miles), continue E. & curves S. on Anastasia Blvd 0.9 miles, E. on White St. 0.15 miles, S. on Lighthouse Av. 200' to the house at 62. R. N. Clapp octagon house, 2 story, blue horizontal siding, no cupola. | |
| FL-58-01 | Sarasota | Sarasota | 20' x 28' | 01-2005 | N27 21.77 W82 33.00 | In Sarasota. US41 (Tamiami Trail) W. (curves N.) 3.2 miles from jct with US301 (Washington Blvd) in Sarasota to the bldg on the E. side of the road at 3020. Twistee Treat, true round bldg. | |
| FL-64-01 | Volusia | In Port Orange | 1999 | In Port Orange. 4629 Clyde Morris Blvd. Ritter's Frozen Custard, 16 sided bldg. (N29 07.81 W81 01.54) |