**Exhibit 21**

Subsidiaries of Registrant

| **Company**                                                                                                                  |   | **State of    Jurisdiction of    Organization** |    | **Percentage   of    Voting    Securities     Owned** |   |
|------------------------------------------------------------------------------------------------------------------------------|--------|-------------------------------------------------|---------|------------------------------------------------------------|--------|
|                                                                                                                              |   |                                                 |    |                                                            |   |
| Southeast Power Corporation                                                                                                  |   |                                            | Florida |                                                       |   | 100% |   |
| Bayswater Development   Corporation                                                                                          |   |                                            | Florida |                                                       |   | 100% |   |
| Subsidiaries of Bayswater   Development Corporation                                                                          |   |                                            |    |                                                       |   |   |   |
| Country   Club Point of Brevard, Inc.                                                                                        |   |                                            | Florida |                                                       |   | 100% |   |
| Riomar   of Brevard, Inc.                                                                                                    |   |                                            | Florida |                                                       |   | 100% |   |
| Cape   Club of Brevard, Inc.                                                                                                 |   |                                            | Florida |                                                       |   | 100% |   |
| Florida   Coastal Homes, Inc.                                                                                                |   |                                            | Florida |                                                       |   | 100% |   |
| Oak   Park of Brevard, Inc.                                                                                                  |   |                                            | Florida |                                                       |   | 100% |   |
| Pineapple   House of Brevard, Inc.                                                                                           |   |                                            | Florida |                                                       |   | 100% |   |
| Florida Transport   Corporation                                                                                              |   |                                            | Florida |                                                       |   | 100% |   |
| 7-1-99 Corp. (inactive)                                                                                                      |   |                                            | Florida |                                                       |   | 100% |   |
| Steeple Rock Mining Company   (inactive)                                                                                     |   |                                            | Florida |                                                       |   | 100% |   |
| Mamba Engineering Company,   Inc. (inactive)                                                                                 |   |                                            | Florida |                                                       |   | 100% |   |
|                                                                                                                         |
| All of the above   subsidiaries are included in the consolidated financial statements of the   Company at December 31, 2005. |