For Ala Wai Neighborhood Park:  
The park is at the makai (ocean) end of University Avenue, where University Avenue reaches the Ala Wai Canal. It is right near 500 University Avenue. Coming from town side, turn right from Kapiolani  on to University ave. Walk straight until you reach the parking lot 

For Ala Moana Beach Park Lagoon:
The lagoon is at the most Diamond Head point of the beach park.  Coming from Waikiki side or from Atkinson Drive, it is the first body of water on the right side of the street. [1 block off of (our old Chabad House at) the Ala Moana Hotel.