Vallarta rhymes with:
barta, carta, djakarta, jakarta, marta, sparta, alcorta, aorta, barta, carta, caserta, djakarta, dorta, egberta, elberta, engelberta, gilberta, horta, huberta, jakarta, laporta, marta, merta, norberta, orta, porta, ruperta, sparta, thorberta
Vallarta sounds like:
velarde, velardi, velardo, vilardo, villard, vollrath