Anything by Comet, Browning or Diamond. In reality you could even use a Nagoya. Don't use RG8 coax that you have on your VHF, 65cm UHF doesn't propagate thru RG8 as well as VHF does. Look for LMR-400 or equivalent.
Marine band 156mhz (1.9 meter) is almost in the 2 meter ham VHF band, GMRS is 65cm is the next door neighbor of ham 70cm. A dual band 2 meter/70cm ham antenna won't be PERFECT but likely close enough for both radios to be compatible. My 2m/1.25m/70cm Comet tests pretty good for GMRS on a SWR meter and nanoNVA, well under 1.3:1 across GMRS.