Update (Jan. 16, 11 p.m. ET): Due to the popularity of this offer the following dates are now sold out: Jan. 19; Feb. 16.

Pack up the family and head to Mt. Laurel, N.J., for a weekend water park adventure. Save 55% on a one-night stay at The Hotel ML and two days of indoor water park passes for four to CoCo Key.

For $159, stay Friday or Saturday nights through March 23. For $90 more, stay two nights and get a third day of water park passes. All offers come with two tokens for welcome drinks at the hotel (a $12 value).

A water lover's paradise, the park includes four-story waterslides, a lazy river, an aquatic jungle gym and an "activity pool" (obstacle course). A collection of wading pools caters toward small children, while an indoor/outdoor spa is a haven for adults looking to relax.

The Hotel ML is located 12 miles from Philadelphia and about 80 miles from New York City. The hotel features a restaurant, bar and complimentary Wi-Fi.

Note: This offer is non-refundable. The water park is open Fridays-Sundays. Water park access is available on the day of check-in and day of checkout when the water park is open. Click here for hours of operation.