Question:
Please advise whether you are allowed to go paddle boating during the Sefira. Thank you!
Answer:
Yes, this is permitted.
Sources:
The customs of mourning in the Sefira period are limited to not having weddings, music and dancing, and haircuts and shaving.
See Tzitz Eliezer Vol. 11:78, Shu"t DIvrei Malkiel Vol. 3:5, Orchos Rabeinu Vol. 2 pg. 95.