The Sunset Beach Resort and Spa , ( 800 ) 234-1707 , www.sunsetbeachresortjamaica.com , in Montego Bay , Jamaica , is planning to open an on-site water park in mid-July with a meandering river , a 40-foot-high suspended bridge , multiple waterfalls and two water slides , including one that propels guests through 250 feet of twists and turns .