For a straightforward installation of a swim spa, you can anticipate costs ranging from $5,000 to $10,000. However, if you’re aiming for a seamless, built-in appearance, the investment could range between $20,000 and $50,000. Electrical setup costs are generally in the ballpark of $1,000 to $2,000, provided that your home has adequate space and power capabilities. As for ongoing upkeep, you can expect to spend between $200 and $500 annually on chemicals, filters, and other routine maintenance. These estimates give you a comprehensive idea of the financial commitment involved in owning a swim spa.