Here are some favorite hotels with bars in and around Yoshihama:
Hakone Kowakien TEN-YU: Ryokan with restaurant. Enjoy the bar, free WiFi, and free parking.
Hotel New Akao: Hotel with 3 restaurants. Enjoy the bar, free WiFi, and full-service spa.
Hotel Indigo Hakone Gora by IHG: Hotel with restaurant. Enjoy the bar, free WiFi, and free parking.
The Prince Hakone Lake Ashinoko: Hotel with restaurant. Enjoy the bar, free WiFi, and free parking.
Hakone Ashinoko Hanaori: Enjoy the bar, free breakfast, and free WiFi.