Dreamimportados offers Cave Tubing and Zipline With MADA (Mean and Dangerous Adventures) in Belize’s jungle—5.5 hours total with a zipline, a river crossing, cave tubing, and lunch (rice and beans with chicken). Kids must be 5+ or 40 inches tall. Book early for Belize City water taxis: https://cheapflightsfromcanadatohouston.bravesites.com/.