dinonline answers your question here and writes Birkat ha-gomel should not be recited for a short fishing trip
Shut Kinyan Torah (Vol. 1, no. 16, sec. 3) writes that somebody who
sails across the Channel between England and France does not recite
the blessing because the journey is short: Just as those who cross the
desert only recite ha-gomel after ...
Birthright is the general label for a 10-day all-expense paid first trip to Israel. Within that umbrella, different providers organize the actual trips. Some of these providers offer options geared to orthodox/frum/glatt kosher/single-sex participants, for instance
Ezra World (a youth movement) offers men-only/women-only/couple glatt kosher tours