Alibag is about 300 years old city. Alibag was developed in the 17th century by Sarkhel Kanhoji Angre, the Naval chief of King Shivaji's kingdom.  Alibag (Alibagh, Alibaugh) is an idyllic town on the western coast of India, By road it is a three-hour drive from Mumbai as the route winds north from the Mumbai. Alibag has a lovely beach that is unspoiled. There is a historic fort that is now in ruins just off the beach. The hill range of the Western Ghats line the other side of the city giving it a unique character of greenery and the blue of the ocean. It's a wonderful place to take a relaxed vacation with nothing on your mind. Alibag is a place for a vacation. An unhurried pace of life is a small town with a beautiful beach and the green hills on the other side, free of pollution and noise.
The phrase "Apun kya Alibag se aaila hai kya?" (Am I from Alibag?), is commonly used by Mumbai localites to respond to a silly comment. Origins of this phrase are unknown, but is commonly used as a funny comeback line by the city's youth. 

Alibag beach - It is the main beach of the town. Alibag beach is totally pollution free. Trees move through and fro giving fresh air which a fresh feeling. Walking on the sandy beach is quite pheasant, the waves bring the water close to your feet and because of this one can't resist himself from entering the water.
Colaba Fort -: It is situated in the sea at a distance of 1-2 km from the Alibag shores. At the time of fall, one can walk to the fort in waist-deep water. However, during the tide, boats need to be used. Colaba fort, major water fort in Konkan, Shivaji Maharaj built this fort in 1680,. Nine hundread feet long and three hundread fifty feet wide, Having two 'dwars' (gates), one from the shore , another from the sea side.
Kanakeshwar temple - It is old temple of Lord Shiva. It is situated on a hill near Mapgaon village, about 12 km away from Alibag and falls on the way to Mandawa. The temple of Kanakeshwar is very beautiful, it is a ' Hoysal ' style structure built in 1764 . A water tank - popular known as 'Pushkarni' - has water almost through out the year. Kanakeshwar is a place to feel the jungle and silence of the jungle and hills. If you want to see the beauty of Arabian sea and fort of Khandevi as well as the entire hilly region, then Kanakeshwar is the place to visit and rest for 2-3 daysWHERE TO EAT.
There are so many restaurants  all around alibagh. Sanman restaurant, specialises in sea food. They have different thalis with different fishes like Pomfret, Surmai etc. Each thali will have one fried piece and one curry piece of the fish. The rest of the items are also speciality of that area like bhakri (chapati) of rice powder, solkadhi (a concoction of coconut water with certain things)Vikram Vinayak Temple (Birla Mandir) - It is situated about 20 km away from Alibag, on the way to Janjira. The surroundings of the temple are made up of a well-planned garden and colourful fountains. The prayer hall is open on all sides and the roof is made of transparent Polycorp sheet. The temple has idols of Shree Radha-Krishnna, Shree Shiv-Parvati, Goddess Druga and Lord Surya. Life-size statue of Late Aditya Birla Stands in the garden. The pooja and prayer can be attended at 9am and 7.15pm every day. Entry into the temple premises is open from 6am to 11.30am and 4.30pm to 9.pm only.
Tomb of Kainhoji Angre) - It is Just five-minute walk from Alibag ST stand, on way to market, is this tomb. The structure has 8 faces and the pillars are exquisitely sculpted. Though in dilapidated state today, it stands in sacred memory of the great Maratha Admiral Konhoji Angre.
Janjira Fort - The fort is build in the sea 2 km inside of Murud. This is one of the vital sea-forts in Maharashtra. It has strong walls 40 ft high and standing intact even after being battered by the sea waves from all four sides. the fort was never conquered by any enemy for over 350 years. Shivaji, Sambhaji and the Peshwas tried to take over the fort. But the Marathas, British or Portuguese could never capture Janjira.

Beaches