Welcome to NIX SPA – the evolution of a decade-long journey in the hot tub industry. Born from the trusted legacy of Southdown Spas, based in West Sussex, we’ve spent years selling and servicing spas across the UK and around the globe. With unrivalled insight into what makes a spa truly exceptional – and what doesn’t – NIX SPA is the result: a carefully crafted hybrid that blends the best features from top global brands. Designed with you in mind, it’s everything a spa should be – and nothing it shouldn’t.