The Hapuna Beach Prince Hotel will convert to the Westin Hapuna Beach Resort following a $46 million renovation in March. Mauna Kea Resort LLC, the owner of the Big Island hotel, first announced the renovation in August, with renovations already underway. The hotel will become the first Westin-branded property on the Big Island and will include a new crossfit studio, an adults-only pool, a renovated lobby and upgrades to the rooms with Westin-branded furnishings. The renovated property will…