RESORT-STYLE LIVING in prestigious Royal Fox. This exceptional custom ranch offers OVER 7,000 SF of finished living space with sweeping pool, golf course and pond views. Set along the 1st tee of the private Royal Fox Country Club, the signature FOUR-SEASON LANAI features a built-in hot tub, grilling bar, skylights, full bath and direct access to the in-ground pool. Walls of windows showcase the setting.    Designed for single-level living and entertaining, the main floor offers 4 BRs, with the 4th currently used as an office. The chef's kitchen features Sub-Zero and Wolf appliances, 6-burner cooktop, dbl ovens, pot filler, oversized island and breakfast rm. It opens to a spacious family rm with natural-stone FP, custom built-ins and wet bar. The primary suite offers a FP, walk-in closet, lanai access and spa bath with radiant-heated floors, whirlpool tub and separate shower. Two BRs share a Jack-and-Jill bath. Brazilian cherry hardwood and red onyx flooring add character.    The finished LL includes a rec area, full 2nd kitchen, glass-block bar, FP, 5th BR with sitting area and full bath, 2nd office, exercise rm and rare skylight providing natural light. Four gas FPs, landscaped grounds and a 3-car garage complete the home. The coveted FIRST-TEE LOCATION is especially peaceful, with golfers teeing off and playing away from the residence, preserving open views and a serene setting. Convenient to St. Charles East HS, shopping, dining, parks and downtown St. Charles.