Find 3 bedroom apartment homes for rent in Watertown, NY here! Search and browse through lots of rental apartments from Watertown, NY REALTORS®, plus maps, tips and detailed Watertown demographics. View photos, check prices and explore property features, all in one place. The most recent Watertown, NY 3 bedroom apartment for rent was added on Point2 Homes on 09/22/2017. Prices for 3 bedroom apartment units in Watertown, NY range from $1,130 to $1,220.