Valley Gem Sternwheeler November 16, 2022 Location 601 Front StreetMariettaOhio45750 Next Event Mother's Day Cruise on the Valley Gem and Major/Riviera - May 11, 2025 - 1:00 pm - 3:00 pm Upcoming Events Mother's Day Cruise on the Valley Gem and Major/Riviera - May 11, 2025 - 1:00 pm - 3:00 pm