The six models in the 500 Series give you more choices for more a more complete experience of Beachcomber comfort. The 500 series has the broadest range of sizes from the diminutive 540, ideal for smaller spaces and solo or intimate soaking to the 580, which can accommodate up to 8 adults. It also offers more Waterport locations - and more opportunities to customize personal therapeutic jetting with a twist of the wrist at no extra cost. Not surprisingly, the 500 Series includes our most popular models.