Hey guys we are going to Seneca lake for 4 days, looking for advice, idea's,

I cant remember whats off the exit, is there somewhere to get gas? we are launching and staying at Sampson ST PK, I have traveled Seneca a cpl times, I know about the Belhurst, Showboat, Watkins Glen, any recomedations in glen? there is a tiki bar somewhere but I never made it there last time, hows the water? I know its usually cold there but is it swimable? any warm spots? any other places to go? last time we launched in Geneva bye the hotel @ city docks, I remember it being shallow for a bit we never messed around in Geneva is there anywhere in the canal to go to? its gonna be a low key trip but my uncle/aunt havent been there before so I'd like to at least take them to a few spots,

Thanks in advance