In the village of Wola Rębkowska near Garwolin, you can swim in the picturesque Mamut Lake. The wide beach with gazebos surrounding it, sometimes called the "Tenerife of Mazovia," is full of attractions provided by the Mamut Water Park. Here, you can zip around on scooters, bikes, and water skis. Children will enjoy inflatables and a playground, among other things. There's also a beach volleyball court and a beach soccer field. Armenian cuisine is served at the eateries.

Prices: full-day ticket: PLN 30, concession: PLN 25, family ticket (2+2): PLN 90, and a PLN 10 increase on weekends (family ticket: PLN 130).