Bike Tours of Lima. If you prefer to pedal, this company offers half-day bike tours of Miraflores and San Isidro or Barranco, as well as a full-day tour that includes the historic El Centro. Calle Bolivar 150, Miraflores, Lima, Lima, 18. 01/445–3172; biketoursoflima.com. From $30.
Ecocruceros. Wildlife enthusiasts will enjoy the half-day boat tour to the Islas Palomino, off the coast of El Callao and home to more than 4,000 sea lions and abundant bird life. This is a very chilly trip from June to December, but you can swim with the sea lions from January to May. 01/226–8530; www.islaspalomino.com. From $48.
Lima Vision. Lima Vision offers the best selection of city tours, by day or night, including a full-day excursion that combines a city tour with a visit to the ruins of Pachacamac. They also offer a Peruvian Paso horse show, a gastronomic tour, and a full-day tour to the ruins of Caral—the oldest urban center in the Americas. 01/447–7710; www.limavision.com. From $26.
Mirabus. This company offers a variety of tours on open-top double-decker buses, from the classic city tour to a selection of night tours, including one that visits the city's oldest cemetery, Cementerio Presbítero Maestro. Mirabus also runs tours to the pre-Columbian ruins of Pachacamac or Caral. Most tours depart from Avenida Diagnol across the street from Miraflores' Parque Kennedy (next to Starbucks), however 20-minute tours of Lima's historic center depart regularly from the Plaza de Armas in El Centro from 3 pm to 7 pm. Av. Diagonal cuadra 3, Parque Kennedy, Miraflores, Lima, Lima, 18. 01/242–6699; www.mirabusperu.com. From $3.
Turibus. Turibus offers three- and four-hour city tours on double-decker city buses as well as a 45-minute tour of Barranco and Miraflores. The company also has night tours, including one to Lima's oldest cemetery, and a tour of the Real Felipe Spanish fortress in El Callao. Tours depart from Malecón de la Reserva across from the Casino Miraflores, by the Larcomar shopping center, but the ticket booth is in the lower level of Larcomar, across from La Bombonniere restaurant. Larcomar, Malecón de la Reserva, Miraflores, Lima, Lima, 18. 01/234–0249; www.turibusperu.com. From $7.