From the beginning of November pedestriansÂ and cyclists will be able to access the route betweenÂ the Mountbatten Centre and the Hilsea allotments that had been closed while sea defence construction was under way.
The path will also feature new seating areas and viewpoints across Tipner Lake.
Councillor Dave Ashmore, Portsmouth City Council's head of environment, said:Â '˜It's fantastic to see the progress that is being made.
'˜I recently took a tour of the Tipner Lake site and was impressed with the new landscaping features and the quality of the work that's been carried out.'
Landscaping will continue and it is thought the Tipner Lake work will be completed by summer next year when the northern section of the path, from the allotments to Hilsea Lido will open.
The works are one phase of the government-funded Â£58.5m North Portsea Island Scheme to protectÂ homes, businesses and infrastructure including the Eastern Road from coastal flooding.
More information on the scheme will become available atÂ public events taking place with a focus on the project's next phase between Kendall's Wharf and Eastern Road.
Events will be held on November 5 between 1pm and 5.30pm atÂ Anchorage Park Community Centre, November 7 betweenÂ 1pm and 7pm atÂ Andrew Simpson Watersports Centre andÂ November 8 between 1pm and 7pm at Innlodge Hotel.