Luquillo is barely a fifteen-moment drive to Fajardo, that has other genuinely attractive beaches. It's also possible to get to Ceiba in beneath half-hour and take the ferry to Culebra or Vieques.
Despite the A/C on, https://georgiaxcpm758884.thecomputerwiki.com/4909888/the_2_minute_rule_for_puerto_rico_rentals