Marriott Hotels has opened one of the largest spa hotels in Poland, located in the seaside resort town of Sopot on the “Polish riviera”.

The Sopot Marriott Resort & Spa houses 35 treatment rooms and four swimming pools – including an outdoor rooftop infinity pool.

The expansive spa will focus on two main wellness strands – stress management and deep relaxation; as well as anti-ageing and purifying treatments.

Treatments range from body scrubs, body wraps, facials and massages to “therapy baths”.

Children’s services will also be available at the spa, as the 145-bedroom resort will target the family market – due to its location in a high tourism area.

“We are delighted to welcome Sopot Marriott Resort & Spa to our growing portfolio in Europe,” said John Licence, Marriott’s vice president of premium and select brands for Europe.

“This stunning resort will appeal to guests looking for stylish beachside accommodation in one of the country’s most popular seaside destinations.”

Earlier this year, Marriott announced it was embarking on an ambitious plan to grow the number of independently owned hotels in its portfolio by nearly 50 per cent by 2019.