Trying to swim and hold on to your trunks wasn't nearly as easy as it sounded. He wasn't doing a bad job of it though, starting to close the gamp by the time she got to the shore, though Navi still had a jump start on him. He pulled his trunks back on, which was made more difficult by the water, that and he didn't want to attract a crowd.
Once he hit the shore he took off running after her, broad smile on his lips, following her towards the villa. "You can run, but you can't hide." He called out after her in a teasing tone.