Caldera Spas Hot Tub models include: Alpine, Alpine II, Aruba, Aspen, Aspire, Aventine, Barrego, C30, C45, Cascade, Cumberland, Elation, Geneva, Hawaiian (Pre-2010), Kauai, Laguna, Lassen, Makena, Martinique, Meridian, Monaco, Moorea, Niagara, Olympus, Palamar, Palomar, Ponderosa, Ranier, Rivier, Salina, San Gabriel, Sequia, Shasta, Sierra, Sierran (3 panel), Tahitian, Tahoe, Teton, Vacanza Capitolo, Vacanza Marino, Vacanza Palatino