Two new dinuclear Zn(II) methacrylate complexes, [Zn2(µ-maa)3(2-IPim)2]·NO3 (1), [Zn2(µ-maa)4(2-vpy)2] (2) [maaH = methacrylic acid, 2-IPim = 2-Isopropylimidazole and 2-vpy = 2-vinylpyridine] have been synthesized and characterized by FT-IR, 1H NMR and 13C NMR spectroscopy, elemental analysis, thermal analysis (TG/DTG, DTA) and single-crystal X-ray diffraction. In complex 1 each Zn(II) atom has a distorted tetrahedral coordination geometry, while in complex 2 each Zn(II) atom is in a distorted square pyramid geometry. The X-ray crystallographic studies of both complexes revealed that the Zn(II) ions are μ-bridged by the maa ligands to generate dinuclear structures. Quantum chemical calculations were carried out to ascertain the ground state optimization of both complexes and the calculated bond lengths and bond angles of the complexes were presented. To study in more detail the properties of these complexes, we also investigated their antibacterial and antifungal activity by in vitro agar diffusion method against Staphylococcus aureus, Escherichia coli, Bacillus cereus and Candida, respectively. Additionally, the fluorescence properties of the complexes are discussed herein.