| Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Audrey's Island' | Medium | Light-Green | Medial | Yellow | Nat-Sport | - | June into July | Moore, Betty | .2016 |
| 'Blue Island' | - | Blue/Green | - | - | Unknown | - | - | Benedict, Dr R. (Herb) | --NR-- |
| 'Christmas Island' | Medium | Med-Green | Medial | White | Unknown | - | - | Van Eechaute, Danny | --NR-- |
| 'Emerald Island' | - | - | - | - | Duplicate | - | - | Duplicate Name | --NR-- |
| 'Fantasy Island' | Small | Med-Green | Medial | Creamy White | Nat-Sport | Light-Purple | July | Solberg, Robert | .2002 |
| 'Fire Island' | Medium | Yellow | - | - | Hybrid | Pale-Lavender | August to October | Brincka, Wm | .1998 |
| 'Great Thatch Island' | Large | Med-Green | Streaked | White | Hybrid | - | - | Goodenough, Rick | --NR-- |
| 'Island Breeze' | Medium | Med-Green | Medial | Yellow | TC Sport | Med-Lavender | July into August | Diaz, Ariel & Hansen, Hans & Walters Gardens | .2014 |
| 'Island Charm' | Small | Med-Green | Medial | White | Hybrid | Light-Purple | July | Rassmussen, George & Malloy, Alex | .1997 |
| 'Island Delight' | - | Med-Green | Marginal | White | Unknown | - | - | Rassmussen, George | --NR-- |
| 'Island Fling' | Medium | Blue/Green | Marginal | Yellow | Nat-Sport | - | July into August | Blake, Amanda | .2016 |
| 'Island Flourish' | Medium | Light-Green | - | - | Hybrid | - | June into July | Blake, Amanda | .2016 |
| 'Island Forest' | Large | Med-Green | - | - | Unknown | Med-Lavender | July | Hatfield, Handy | --NR-- |
| 'Island Forest Gem' | Large | Dark-Green | - | - | Unknown | Pale-Lavender | July | Carpenter, Kate & Walek, Kevin | .2009 |
| 'Island Heartbreaker' | Large | Blue/Green | - | - | Unknown | - | July into August | Blake, Amanda | .2016 |
| 'Island Queen' | Small | Med-Green | Medial | White | Unknown | Light-Purple | June into July | Rassmussen, George | --NR-- |
| 'Island Sea' | - | - | - | - | Unknown | - | - | Unknown | --NR-- |
| 'Island Splendour' | Large | Light-Green | - | - | Hybrid | - | June | Blake, Amanda | .2016 |
| 'Island Sun' | Medium | Yellow | - | - | Hybrid | Near-White | June | Blake, Amanda | --NR-- |
| 'Island Velvet' | Medium | Dark-Green | - | - | Unknown | - | July into August | Blake, Amanda | .2016 |
| 'Island Waves' | Large | Blue/Green | - | - | Hybrid | - | June | Blake, Amanda | .2016 |
| 'Lion Island' | Small | Med-Green | - | - | Nat-Sport | - | - | Schwarz, Jim | --NR-- |
| 'Magic Island' | Small | Yellow | Marginal | Blue-Green | Nat-Sport | Med-Lavender | July into August | Heemskerk, Gerardus | .2011 |
| 'Orleans Island' | - | - | - | - | Duplicate | - | - | Duplicate Name | --NR-- |
| 'Paradise Island' | Medium | Light-Green | Marginal | Blue-Green | Nat-Sport | Pale-Lavender | August | Fransen, Marco | --NR-- |
| 'Pinani Island Surf' | Small | Yellow | Marginal | White | Unknown | - | - | Pinder, Jeff | --NR-- |
| 'Rock Island Line' | Small | Med-Green | Marginal | Creamy White | Hybrid | Light-Purple | June into July | Rassmussen, George | .2001 |
| 'Treasure Island' | Small | Dark-Green | - | - | Hybrid | Light-Purple | August to October | Avent, Tony | .1998 |
| 'Volcano Island' | Medium | Yellow | Marginal | Dark Green | Nat-Sport | Light-Purple | August | Fransen, Marco | --NR-- |
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