Step off your private elevator into your own foyer and feel instantly at home. This updated, light-filled 3BR + maid's quarters / 4BA offers a wonderfully functional layout - open living and dining area, family room, and a partially open kitchen with snack counter, all flowing to a spacious garden terrace with peaceful green views. Three full ensuite bedrooms. The primary suite is bright and spacious with its own private balcony. Impact windows throughout. Move-in ready. Boutique building. Enjoy Grand Bay's five-star amenities: beach service, pool, fitness center, concierge, valet, tennis and padel courts, and more - all steps from the Ritz-Carlton! Island living at its finest.
Interior Features : Breakfast Bar, Built In Features, Bedroom On Main Level, Bathtub, Closet Cabinetry, Dual Sinks, Entrance Foyer, Garden Tub Roman Tub, Kitchen Island, Living Dining Room, Sitting Area In Primary, Soaking Tub, Separate Shower, Stacked Bedrooms
Beds Total : 3
Num of Full Baths : 4
Num of Half Baths : 0.0
Spa : No
Exterior
Exterior Features : Balcony, Outdoor Living Area
Construction Type : CBSConcreteBlockStructure,Block
430 Grand Bay, #307 is a waterfront condo for sale in Key Biscayne, FL 33149. This property was listed for sale on Mar 26, 2026 by BHHS EWM Realty for $3,400,000. Located in GRAND BAY TOWER CONDO is a 3-bed, 4-bath, 2,840 ft² / 264 m² sqft condo built in 1999.