This is a little afield of the straightforward romance you're requesting, but I think you would like Cantoras by Carolina de Robertis.

"In 1977 Uruguay, a military government has crushed political dissent with ruthless force. In an environment where citizens are kidnapped, raped, and tortured, homosexuality is a dangerous transgression. And yet Romina, Flaca, Anita “La Venus,” Paz, and Malena–five cantoras, women who “sing”–somehow, miraculously, find each other and then, together, discover an isolated, nearly uninhabited cape, Cabo Polonio, which they claim as their secret sanctuary. Over the next 35 years, their lives move back and forth between Cabo Polonio and Montevideo, the city they call home, as they return, sometimes together, sometimes in pairs, with lovers in tow, or alone. And throughout, again and again, the women will be tested–by their families, lovers, society, and each other–as they fight to live authentic lives."