It would be easy for the view to steal the show from this Tequesta Point penthouse (on the market for $4.1 million furnished), which is featured on the cover and in the Smart Showings section of Robb Report Home & Style’s March/April issue. However, carefully chosen furnishings by Javier Martin, the principal designer for the Spanish furniture company Baltus, make the interiors just as compelling as the seascape beyond the Miami home’s 50-foot-high glass walls. The Rinconera Madrid linen sofa (pictured, $2…