40-Love by Olivia Dade 

When a rogue wave strips Tess Dunn of her bikini top, desperate, half-naked times call for desperate, please-cover-me-kids-are-coming-closer measures. Enter Lucas Karlsson, AKA that flirty Swede in the water nearby. When he prevents her bare buoys from being exposed to fellow vacationers, even an ocean can’t drown the sparks that fly.

Lucas, a former top-level tennis pro now giving lessons at the resort, fled there after the abrupt, painful end to his injury-plagued career. But he’s finally ready… Read more.